According to the FBI’s 2025 Internet Crime Report, business email compromise (BEC) cost US businesses more than $3 billion last year.

This makes it one of the most financially damaging cybercrimes on record. 

AI has made these attacks harder to detect. The question for AP teams is no longer whether they can identify suspicious requests. It is whether the processes around payments make fraud difficult regardless of how convincing it looks.

Why AP Teams Are in the Crosshairs

Accounts payable sits at the intersection of trust and timing. AP teams process invoices, manage supplier details, and execute payments, often under pressure to keep operations running smoothly. 

For attackers, that combination is ideal.

Most successful fraud does not involve breaking into systems. 

The FBI’s Internet Crime Complaint Center (IC3)  has consistently found that BEC attacks rely on impersonation. This involves posing as a trusted executive, supplier, or internal colleague to redirect payments or update bank details before anyone notices.

AI has made that impersonation dramatically more scalable. 

Where it once required skill and time to craft a convincing request, tools are now widely available that automate the research, writing, and contextual tailoring that make fraud blend into normal AP workflows.

By mid-2024, an estimated 40% of BEC phishing emails were already AI-generated, with that share expected to grow significantly.

What AI-Enhanced Fraud Looks Like in Practice

Emails that blend into normal workflow

Traditional phishing relied on volume and imperfection. AI has changed that. 

Modern BEC emails are grammatically correct and written in the specific tone of the executive or supplier being impersonated. They reference active projects, current invoice numbers, and upcoming payment runs. 

For AP teams processing high volumes of routine communications, that level of familiarity is exactly what lowers the guard.

Invoice and payment redirection

One of the most common AP fraud patterns involves payment redirection. 

Attackers may intercept a legitimate invoice exchange and quietly alter the destination account. They then send a short message claiming a supplier has updated its banking details, or re-issue a real invoice with minor modifications. 

The surrounding content looks entirely legitimate because, in many cases, it is drawn from real correspondence. 

Voice cloning and executive impersonation

Email isn’t the only channel being exploited. 

AI voice-cloning tools can replicate a person’s voice from a short audio sample. That makes it possible to leave convincing voicemails or place calls that sound like a known executive.

For AP teams accustomed to verbal approvals on high-value or urgent payments, this removes one of the few remaining verification methods that email security alone cannot address. 

Why Traditional Checks No Longer Work

Security awareness training still matters, and investing in it remains worthwhile. But AI has changed what AP teams are up against.

 Attacks no longer contain the signals that training programs once focused on: awkward phrasing, mismatched logos, odd sender addresses, or generic greetings. 

Modern fraud emails can reference the recipient’s organization, active suppliers, and current invoice values drawn from publicly available or previously intercepted sources.

When a fraudulent request is indistinguishable from a legitimate one, placing the burden of detection on the AP team puts it in the wrong place. 

The organizations that reduce risk are not asking staff to be more suspicious. They are building verification processes that work independent of how a message looks.

Building Process Around the Risk

The most effective defense is not sharper instincts. It is removing ambiguity from high-risk actions.

Out-of-band verification as standard

Any request to change supplier bank details or approve an urgent payment outside the normal cycle should require secondary confirmation through a known, independent channel — not a reply to the same email thread. Calling a supplier on a number already on file, or confirming with a colleague directly, breaks the impersonation chain regardless of how convincing the original request appeared. This step does not require technology. It requires a written procedure and the team’s habit of following it.

Layered access and authentication controls

Restricting access to financial systems and enforcing multi-factor authentication limits the damage a compromised account can cause. If an attacker gains access to a vendor’s email, MFA requirements on the receiving end create friction that can slow or stop a fraudulent change before any money moves.

A culture that supports slowing down

Fraud prevention improves when staff feel safe questioning requests, including from senior leadership. 

A team member who pauses a payment to verify it is not being obstructive. They are doing exactly what good process requires. 

Building that culture starts with leadership modeling the behavior and making clear that slowing down on high-risk actions is always the right call.

The FBI’s 2025 Internet Crime Report included a dedicated AI section for the first time, logging more than $893 million in AI-enabled scam losses across more than 22,000 complaints.

When verification is standard and questioning is encouraged, AI-enhanced fraud loses much of its advantage. 

The technology attackers use is advancing quickly, but the process controls that contain the damage do not have to be complicated. They have to be consistent.

Shift the Burden From People to Process

Concerned about AI-enhanced fraud targeting your finance teams or clients? 

Contact us or schedule a consultation to review your current controls and identify where the most important gaps are.

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That scenario surprises many businesses, particularly those that rely on multi-factor authentication (MFA) to protect cloud accounts. But this is exactly how Adversary-in-the-Middle (AiTM) phishing attacks work. 

Rather than stealing passwords for later use, these attacks silently hijack an already-authenticated session in real time.

MFA remains a core control, and getting it implemented correctly is still a critical first step for any business. 

But AiTM attacks exploit something MFA was never designed to protect: the trusted session that exists after authentication has already completed.

Phishing Has Moved Beyond Passwords

Phishing remains the most common starting point for account compromise, but the objective has changed. 

Traditional phishing collected usernames and passwords. Modern phishing is after something more immediately useful: the authenticated session itself.

Security researchers have documented a significant shift toward session and token theft, where attackers intercept the authentication process as it happens. 

Rather than reusing stolen credentials, which MFA typically blocks, they wait until the user successfully completes login, then steal the session token that proves it already occurred.

The technique has matured quickly. Phishing-as-a-Service (PhaaS) platforms now supply ready-made proxy toolkits that let even low-skilled attackers run AiTM campaigns targeting Microsoft 365 and Google Workspace. 

How AiTM Attacks Actually Work

The fake login page that isn’t fake

An AiTM phishing site is not a basic replica of a login page. It is a live reverse proxy.

The attacker’s infrastructure sits between the user and the real authentication service. Every keystroke, redirect, and server response flows through the attacker’s system in real time. From the user’s perspective, nothing looks wrong. 

The page behaves exactly like the real service, with correct branding, working redirects, and a functioning MFA prompt. In most cases, the only clue is a slightly altered URL that goes unnoticed on a mobile screen or when someone is under time pressure.

Why MFA doesn’t stop it

This is where many security assumptions fall apart.

MFA protects the moment of authentication, not what comes after it. 

Once a user successfully completes MFA, the service issues a session cookie. What this means is that the cookie signals to the application that the user is already verified. From that point, no password or MFA prompt is required. The system trusts the token. Whoever holds the cookie holds the access.

AiTM attacks simply wait for that cookie to be issued then steal it.

Microsoft tracked a 146% rise in AiTM attacks over the past year, as cybercriminals increasingly shift focus to accounts already protected by MFA.

Much of this increase is driven by PhaaS platforms like Evilginx that allow even low-skilled attackers to run convincing reverse-proxy campaigns at scale, targeting major cloud identity providers with minimal setup.

Session cookies

Session tokens act as bearer credentials. So, whoever possesses the token can access the account, with no password or MFA challenge required.

Once the cookie is stolen, the attacker imports it into their own browser and immediately resumes the session. 

This is a session replay attack. The attacker does not log in. They pick up where the legitimate user left off, inside a fully trusted, already-verified session.

What Happens After a Session Is Stolen

The aftermath of an AiTM attack tends to be quiet, which is precisely what makes it dangerous. 

The attacker is operating inside a legitimate, authenticated session. There are no failed MFA attempts, no unusual login alerts, and nothing in standard sign-in logs to signal a problem.

Research from Proofpoint shows that attackers who gain access through session hijacking commonly create hidden inbox rules to redirect mail, register additional MFA methods to lock in persistent access, monitor email threads for financial conversations, and use the trusted account to launch phishing campaigns against internal colleagues or finance teams.

These follow-on actions are a key reason AiTM attacks are frequently uncovered late, after financial fraud, data exposure, or wider network compromise has already begun.

Reducing Your Exposure

MFA is still essential. Building strong authentication practices remains the starting baseline. But reducing AiTM risk requires controls that extend beyond the login event itself.

Adopt phishing-resistant MFA

Methods like FIDO2 hardware keys and passkeys bind authentication to the specific device and the legitimate domain. A proxy in the middle cannot relay them: the process fails if the URL is not the real one. 

The Canadian Centre for Cyber Security analyzed over 100 AiTM campaigns targeting Microsoft Entra ID accounts. It found that phishing-resistant MFA consistently blocked session theft where standard MFA methods (including push notifications and one-time passcodes) did not.

Tighten Conditional Access policies

Risk-based access controls evaluate additional signals, including device compliance, IP location, and session behavior, rather than treating every authenticated session as permanently trusted. 

Configured correctly, these policies can detect and block anomalous access even when a stolen session token appears valid.

Monitor for post-login anomalies

Detecting AiTM compromise typically means watching for activity after login: new MFA method registrations, inbox rules created outside business hours, access from unfamiliar locations, or unusual data activity. 

Authentication logs alone will not surface the problem.

Train users on URL awareness

Employees who understand that a working MFA prompt on an unfamiliar-looking page still represents a risk are better positioned to pause, check the URL, and report before a session is compromised. A brief team walkthrough of what AiTM lures look like in Microsoft 365 contexts can meaningfully reduce exposure.

Stop Protecting Just the Login Screen

MFA is a baseline, not a finish line. The businesses that reduce AiTM risk are the ones that understand how sessions, tokens, and identity trust actually work . And they build controls around each layer, not just the login screen.

Want to review your identity security controls? 

Contact us or schedule a consultation to identify the gaps that matter most before an incident does it for you.

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After you sign in, your browser keeps you logged in using a session token (often stored as a cookie). It’s the digital version of a wristband at an event: once you’ve been checked, the wristband proves you belong there. If an attacker steals that wristband, they may not need to beat your MFA prompt at all.

That’s the core of session cookie hijacking. The attacker isn’t “cracking” MFA. They’re skipping it by replaying your already authenticated session.

This isn’t a reason to stop using MFA. It’s a reason to stop treating MFA as the finish line. 

When sessions can be stolen, the practical defence shifts to layered controls: phishing-resistant sign-ins, device hygiene, tighter session policies, and detection that catches suspicious access early.

Why MFA Isn’t a “Game Over” Control

MFA is still one of the best upgrades most businesses can make, but it doesn’t end an attack on its own. The reason is that attackers don’t always try to beat the login step. They try to go around it.

Cloudflare notes that “attackers are finding new ways to circumvent MFA” and that modern incidents are rarely one isolated technique. They’re “part of a chain of attacks.” 

In other words, MFA can block a lot of credential theft, but it doesn’t automatically protect what happens after a user successfully signs in. 

That’s where session cookie hijacking comes in. 

Microsoft has described adversary-in-the-middle phishing campaigns where attackers use a reverse-proxy site to “steal and intercept” a user’s password and the session cookie that proves they have an authenticated session. 

This is “not a vulnerability in MFA.” The attacker isn’t breaking the MFA. They’re reusing the session. 

What a Session Cookie Is and Why Attackers Want It

When you sign into a web app, the site needs a way to remember that you’ve already proved who you are. That’s what a session is: a temporary “logged-in” state that saves you from entering your password and MFA code on every click. 

Kaspersky explains that session hijacking is “sometimes called cookie hijacking” because cookies are commonly used to store the session identifier that keeps you authenticated. 

Attackers want that session identifier because it’s the shortcut. 

Proofpoint describes session tokens as digital “keys” that let a user stay authenticated. It warns that stealing valid tokens lets attackers impersonate legitimate users and potentially bypass authentication measures “like MFA.” 

That’s why session cookie hijacking is so highly leveraged. 

If an attacker can steal the cookie or token that represents your active session, they’re not trying to defeat the login process. They’re attempting to reuse what you already completed, and access the same apps and data as if they were sitting at your keyboard.

How Session Cookie Hijacking Actually Happens

A lot of teams picture “account takeover” as someone guessing a password or tricking a user into approving an MFA prompt. 

Session cookie hijacking is different. The attacker’s goal is to steal the proof that you’re already logged in, then reuse it, often without triggering another sign-in challenge.

1.) AiTM phishing 

Adversary-in-the-middle (AiTM) phishing is the “proxy login” trap. 

You think you’re signing into a normal service, but you’re actually signing into a lookalike page that sits between you and the real site. The attacker relays the login in real time, so everything appears to work, including MFA.

Attackers use AiTM phishing sites to “steal and intercept” a user’s password and the session cookie that proves the authenticated session. This is “not a vulnerability in MFA.” The attacker isn’t breaking the MFA. They’re capturing the session after MFA is completed and reusing it. 

One such campaign “attempted to target more than 10,000 organisations” since September 2021, which shows how scalable this approach has become. 

2.) Browser-in-the-Middle session stealing

Browser-in-the-middle (BitM) is similar in spirit, but it’s even more “hands-on” from the attacker’s side. 

Instead of stealing a password and running away, the attacker effectively places themselves in control of the browsing session.

Google’s threat intelligence says, “Stealing this session token is the equivalent of stealing the authenticated session.” Once the token is stolen, “an adversary would no longer need to perform the MFA challenge.” 

In other words, the attacker isn’t trying to authenticate instead of you. They’re trying to ride along after you’ve authenticated.

3.) Cookie theft from the endpoint

Not every session hijack starts with a fancy proxy. Sometimes the attacker simply steals session data from the device itself.

Stealing valid session tokens allows attackers to impersonate legitimate users. Tokens act like digital “keys.” If an endpoint is compromised, those “keys” can be extracted and reused.

Invicti explains that an attacker steals HTTP cookies and can gain access. The goal is often to obtain sensitive information stored in cookies. 

MFA Is a Baseline, Not a Finish Line

MFA is still essential. It blocks a huge amount of credential theft and makes basic account takeover harder. But session cookie hijacking is a reminder that attackers don’t always try to defeat the login step. Sometimes they reuse what happens after it.

The practical response is layered and realistic. Make phishing harder to pull off, and treat device health as part of identity. Tighten session behaviour for high-risk apps. Watch for suspicious access patterns that suggest a session is being replayed.

When those controls work together, MFA stops being a comforting checkbox and becomes what it should be: a strong baseline that’s backed by protections around the session itself.

Contact us today for help protecting your login sessions from hijacking.

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But in practice, a browser extension is more like a micro-SaaS vendor sitting inside your browser session. It can see what you see, interact with the pages you open, and sometimes access the same cloud apps your business runs on all day.

That’s why a browser extension security check matters. 

Not because every extension is bad, but because it only takes one over-permissioned add-on or one bad update to turn “helpful” into exposure.

The good news is you don’t need a 40-page policy to reduce the risk. A simple five-minute check can prevent most extension problems before they start.

Why Browser Extensions Are a High-Leverage Risk

Browser extensions sit in the most sensitive place in modern work: the browser tab where your staff live all day. 

That matters because extensions aren’t just “apps”. They’re granted special authorisations inside the browser. That makes them attractive targets and gives them leverage that’s disproportionate to how “small” they feel. 

UC Berkeley’s guidance says extensions get “special authorisations,” and the more you install, the bigger the attack surface becomes.

The risk is often permission-based. OWASP calls out “permissions overreach” as a core problem. Extensions can request more access than they need, including access to “all tabs, browsing history, and even sensitive user data.” 

When an extension can read and modify what happens in the browser, it can potentially see data in cloud tools, capture what’s typed into forms, or alter content on a page.

It’s also a “change over time” risk. A useful extension today can become a different extension tomorrow. 

The 5-Minute Browser Extension Security Check

This browser extension security check is designed to be fast, repeatable, and realistic. It helps staff make safe decisions in minutes without turning every extension into a big IT ticket.

Vet the developer like a real vendor

If you wouldn’t give a random supplier access to your customer records, don’t give a random extension access to your browser.

Start with the basics:

• Confirm the developer has a real website, support details, and a consistent name across listings
• Look for a track record (other products, a clear company presence, updates that look normal)
• Prefer official stores and trusted sources over “download this .zip” links

Read the description like a contract

Treat the store listing as a mini security disclosure. It should clearly explain what the extension does and why it needs access.

What to look for:

• Specific, concrete function 
• Clear explanation of what data it touches 
• Any hint of tracking, analytics, or data sharing that doesn’t match the core feature.

Permission sanity check

Permissions are the whole game. This is where a “helpful tool” can become a high-leverage risk.

Microsoft’s Edge Add-ons policies say extensions “must only request those permissions that are essential for functioning,” and requesting permissions for “future proofing” is “not allowed.”

How to do a fast check:

• Ask: “Does this permission match the feature?” If not, it’s a red flag.
• Be cautious of anything that effectively means “read and change everything you do in the browser.”
• Remember: Google even publishes guidance for admins to “evaluate the security risk” of different extension permissions.

Check updates and change risk

Extensions aren’t static. They update. And updates can change what the extension can do.

Two things to watch:

• Permission creep: If an extension suddenly requests new permissions, you should be wary. And if you can’t justify it, “it’s probably better to uninstall”
• Update abuse: Treat unexpected permission changes or sudden feature shifts as a reason to pause and escalate

Decide: approve, avoid, or escalate

You don’t need a committee for every install. 

You need a simple decision tree:

• Approve when the vendor is credible, the purpose is clear, and permissions are tight and match the feature
• Avoid when the extension is vague, over-permissioned, or feels like it wants access “just in case”
• Escalate when it’s genuinely useful but touches sensitive systems or asks for broad permissions. 
• Have IT review it and, if approved, add it to an allowlist

From “Quick Install” to Clear Standards

Browser extensions aren’t “bad”. Unvetted extensions are the problem.

A simple browser extension security check turns installs from impulse decisions into repeatable standards. 

You’re not trying to slow people down. You’re trying to make sure the tools that live inside your browser have a clear purpose, tight permissions, and a vendor you’d actually trust.

Start small. Reduce extension sprawl, treat permission changes as a red flag, and escalate anything that touches sensitive systems. 

Then make it easier for staff to do the right thing by default with an approved list and browser-level controls. When installs are standardised, extensions stop being a hidden risk and become just another managed part of the environment.

Contact us today to schedule a browser extension audit.

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In many cases, it begins days, or even weeks, before encryption, with something mundane, like a login that never should have succeeded.

That’s why an effective ransomware defense plan is about more than deploying anti-malware. It’s about preventing unauthorized access from gaining traction.

Here’s a five-step approach you can implement across your small-business environment without turning security into a daily obstacle course.

Why Ransomware Is Harder to Stop Once It Starts

Ransomware is rarely a single event. It’s typically a sequence: initial access, privilege escalation, lateral movement, data access, often data theft, and finally encryption once the attacker can inflict maximum damage.

That’s why relying on late-stage defenses tends to get messy.

Once an attacker has valid access and elevated privileges, they can move faster than most teams can investigate. Microsoft says, “In most cases attackers are no longer breaking in, they’re logging in.”

By the time encryption begins, options are limited. The general guidance from law enforcement and cybersecurity agencies is clear: don’t pay the ransom, there’s no guarantee you’ll recover your data, and payment can encourage further attacks.

There isn’t a silver bullet for preventing a ransomware attack. A ransomware defense plan is most effective when it disrupts the attack before encryption ever begins. That’s why recovery needs to be engineered upfront, not improvised mid-incident.

The goal isn’t “stop every threat forever.” The goal is to break the chain early and limit how far an attacker can move. And if the worst happens, you want recovery to be predictable.

The 5-Step Ransomware Defense Plan

This ransomware defense plan is built to disrupt the attack chain early, contain the damage if access is gained, and ensure recovery is dependable. Each step is practical, easy to implement, and repeatable across small-business environments.

Step 1: Phishing-Resistant Sign-Ins

Most ransomware incidents still begin with stolen credentials. The fastest win is to make “logging in” harder to fake and harder to reuse once compromised.

What this means: “Phishing-resistant” sign-ins are authentication methods that can’t be easily compromised by fake login pages or intercepted one-time codes. It’s the difference between “MFA is enabled” and “MFA still works when someone is specifically targeted.”

Do this first:

• Enforce strong MFA across all accounts, with priority given to admin accounts and remote access
• Eliminate legacy authentication methods that weaken your security baseline
• Implement conditional access rules, such as step-up verification for high-risk sign-ins, new devices, or unusual locations

Step 2: Least Privilege + Separation

What this means: “Least privilege” means each account gets only the access it needs to do its job, and nothing more.

“Separation” means keeping administrative privileges distinct from everyday user activity, so a single compromised login doesn’t hand over control of the entire business.

NIST recommends verifying that “each account has only the necessary access following the principle of least privilege.”

Practical moves:

• Keep administrative accounts separate from everyday user accounts
• Eliminate shared logins and minimize broad “everyone has access” groups
• Limit administrative tools to only the specific people and devices that genuinely require them

Step 3: Close known holes

What this means: “Known holes” are vulnerabilities attackers already know how to exploit, typically because systems are unpatched, exposed to the internet, or running outdated software. This step is about eliminating easy wins for attackers before they can take advantage of them.

Make it measurable:

• Set clear patch guidelines: critical vulnerabilities addressed immediately, high-risk issues next, and all others on a defined schedule
• Prioritize internet-facing systems and remote access infrastructure
• Cover third-party applications as well, not just the operating system

Step 4: Early detection

What this means: Early detection means identifying ransomware warning signs before encryption spreads across the environment.

Think alerts for unusual behavior that enable rapid containment, not a help desk ticket reporting that files suddenly won’t open.

A strong baseline includes:

• Endpoint monitoring that can flag suspicious behavior quickly
• Rules for what gets escalated immediately vs what gets reviewed

Step 5: Secure, Tested Backups

What this means: “Secure, tested backups” are backups that attackers can’t easily access or encrypt, and that you’ve verified you can restore successfully when it matters most.

Both NIST’s ransomware guidance and the UK NCSC emphasize that backups must be protected and restorable. NIST specifically calls out the need to “secure and isolate backups.”

Keep backups up-to-date so you can recover “without having to pay a ransom”, and check that you know how to restore your files.

Make backups real:

• Keep at least one backup copy isolated from the main environment.
• Run restore drills on a schedule
• Define recovery priorities ahead of time, what needs to be restored first, and in what sequence

Stay Out of Crisis Mode

Ransomware succeeds when environments are reactive, when everything feels urgent, unclear, and improvised.

A strong ransomware defense plan does the opposite. It turns common failure points into predictable, enforced defaults.

You don’t need to rebuild your entire security program overnight. Start with the weakest link in your environment, tighten it, and standardize it.

When the fundamentals are consistently enforced and regularly tested, ransomware shifts from a headline-level crisis to a contained incident you’re prepared to manage.

If you’d like help assessing your current defenses and building a practical, repeatable ransomware protection plan, contact us today to schedule a consultation. We’ll help you identify your biggest exposure points and turn them into controlled, measurable safeguards.

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That’s the flaw in the old “castle-and-moat” model. Once someone gets past the perimeter, they can often move through the environment with far fewer restrictions than they should.

And today, with cloud apps, remote work, shared links, and BYOD, the “perimeter” isn’t even a clearly defined boundary anymore.

Zero-trust architecture for small businesses represents the shift that breaks that chain reaction. It’s an approach that treats every access request as potentially risky and requires verification every time.

What Is Zero-Trust Architecture?

Zero Trust is a model that moves defenses away from “static, network-based perimeters.” Instead, it focuses on “users, assets, and resources.” It also “assumes there is no implicit trust granted to assets or user accounts” based only on network location or ownership.

Microsoft sets the idea down into a simple principle: the model teaches us to “never trust, always verify.” In practice, that means verifying each request as though it came from an uncontrolled network, even if it’s coming from the office.

IBM reports that the global average cost of a data breach is over $4 million, which is why reducing blast radius isn’t a nice-to-have.

So, what does “Zero Trust” actually do differently day to day?

Microsoft frames it around three core principles: verify explicitly, use least privilege access, and assume breach.

In small-business terms, that usually translates to:

• Identity-first controls: Strong MFA, blocking risky legacy authentication, and applying stricter policies to admin accounts.

• Device-aware access: Evaluating who is signing in and whether their device is managed, patched, and meets your security standards.

• Segmentation to limit impact: Breaking your environment into smaller zones so access to one area doesn’t automatically grant access to everything else. Cloudflare describes microsegmentation as dividing perimeters into “small zones” to prevent lateral movement between systems.

Before You Start

If you try to “implement Zero Trust” everywhere at once, two things usually happen:

1. Everyone gets frustrated.
2. Nothing meaningful gets completed.

Instead, start with a defined protect surface, a small group of critical systems, data, and workflows that matter most and can realistically be secured first.

What Counts as a “Protect Surface”?

A protect surface typically includes one of the following:

• A business-critical application
• A high-value dataset
• A core operational service
• A high-risk workflow

The 5 Surfaces Most Small Businesses Start With

If you’re unsure where to begin, this shortlist applies to most environments:

1. Identity and email
2. Finance and payment systems
3. Client data storage
4. Remote access pathways
5. Admin accounts and management tools

BizTech makes the point that there’s no “Zero Trust in a box.” It’s achieved through the right mix of people, process, and technology.

The Roadmap

This is where zero-trust architecture for small businesses stops being a concept and becomes a plan. Each phase builds on the one before it, so you get meaningful risk reduction without creating a security obstacle course.

1. Start with Identity

Network location should not be treated as a trusted signal. Access should be based on who or what is requesting it, and whether they should have access at that moment. That’s why identity is step one.

Do these first:

• Enforce multifactor authentication (MFA) everywhere
• Remove weak sign-in paths
• Separate admin accounts from day-to-day user accounts

2. Bring Devices into the Trust Decision

Zero Trust isn’t just asking, “Is the password correct?” It’s asking, “Is this device safe to trust right now?”

Microsoft’s SMB guidance explicitly calls out securing both managed devices and BYOD, because small businesses often have a mix.

Keep it simple:

• Set a clear baseline: patched operating systems, disk encryption, and endpoint protection
• Require compliant devices for access to sensitive applications and data
• Establish a clear BYOD policy: limited access, not unrestricted access

3. Fix Access

Microsoft’s principle here is “use least privilege access.” This means users should have only what they need, when they need it, and nothing more.

Practical moves:

• Eliminate broad “everyone has access” groups and shared login accounts
• Shift to role-based access, where job roles determine defined access bundles
• Require additional verification for admin elevation, and make sure it’s logged

4. Lock Down Apps and Data

The old perimeter model doesn’t map cleanly to cloud services and remote access, which is why organizations shift towards a model that verifies access at the resource level.

Focus on your protect surface first:

• Tighten sharing defaults
• Require stronger sign-in checks for high-risk apps
• Clarify ownership: every critical system and dataset needs an accountable owner

5. Assume Breach

Microsegmentation divides your environment into smaller, controlled zones so that a breach in one area doesn’t automatically expose everything else.

That’s the whole point of “assume breach”: contain, don’t panic.

What to do:

• Segment critical systems away from general user access
• Limit admin pathways to management tools
• Reduce lateral movement routes

6. Add Visibility and Response

Zero Trust decisions can be informed by inputs like logs and threat intelligence. Because verification isn’t a one-time event, it’s ongoing

Minimum viable visibility:

• Centralize sign-in, endpoint, and critical app alerts
• Define what counts as suspicious for your protect surface
• Create a simple response plan

Your Zero-Trust Roadmap

Zero Trust architecture for small businesses doesn’t begin with a shopping list. It begins with a clear, focused plan.

If you’re ready to move from “good idea” to real implementation, start with a single protect surface and commit to the next 30 days of measurable improvements. Small steps, consistent execution, and fewer unpleasant surprises.

If you’d like help defining your protect surface and building a practical Zero Trust roadmap, contact us today for a consultation. We’ll help you prioritize the right controls, align them to your environment, and turn Zero Trust into steady progress, not complexity.

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Most small businesses aren’t falling short because they don’t care. They’re falling short because they didn’t build their security strategy as one coordinated system. They added tools over time to solve immediate problems, a new threat here, a client request there.

On paper, that can look like strong coverage. In reality, it often creates a patchwork of products that don’t fully work together. Some areas overlap. Others get overlooked.

And when security isn’t intentionally designed as a system, the weaknesses don’t show up during routine support tickets. They show up when something slips through and turns into a disruptive, expensive problem.

Why “Layers” Matter More in 2026

In 2026, your small business security can’t rely on a single control that’s “mostly on”. It must be layered because attackers don’t politely line up at your firewall anymore. They come in through whichever gap is easiest today.

The real story is how quickly the landscape is changing.

The World Economic Forum’s Global Cybersecurity Outlook 2026 says “AI is anticipated to be the most significant driver of change in cyber security… according to 94% of survey respondents.”

That’s more than a headline. It means phishing becomes more convincing, automation becomes more affordable, and “spray and pray” attacks become more targeted and effective. If your security model depends on one or two layers catching everything, you’re essentially betting against scale.

The NordLayer MSP trends report highlights that active enforcement of foundational security measures is becoming the standard. It also points to a future where you are expected to actively enforce foundational security measures, not just check a compliance box.

It also highlights that regular cyber risk assessments will become essential for identifying gaps before attackers do. In other words, the market is shifting toward consistent security baselines and proactive oversight, rather than best-effort protection.

And the easiest way to keep layers practical and not chaotic, is to think in outcomes, not tools.

A Simple Way to Think About Your Security Coverage

The easiest way to spot gaps in your security is to stop thinking in products and start thinking in outcomes.

A practical way to structure this is the NIST Cybersecurity Framework 2.0, which groups security into six core areas: Govern, Identify, Protect, Detect, Respond, and Recover.

Here’s a simple translation for your business:

• Govern: Who owns security decisions? What’s considered standard? What qualifies as an exception?
• Identify: Do you know what you’re protecting?
• Protect: What controls are in place to reduce the likelihood of compromise?
• Detect: How quickly can you recognize that something is wrong?
• Respond: What happens next? Who is responsible, how fast do they act, and how is communication handled?
• Recover: How do you restore operations, and demonstrate that systems are fully back to normal?

Most small business security stacks are strong in Protect. Many are okay in Identify. The missing layers usually live in Govern, Detect, Respond, and Recover.

The 5 Security Layers MSPs Commonly Miss

Strengthen these five areas, and your business’s security becomes more consistent, more defensible, and far less reliant on luck.

Phishing-Resistant Authentication

Basic multifactor authentication (MFA) is a good start, but it’s not the finish line.

The common gap is inconsistent enforcement and authentication methods that can still be tricked by modern phishing.

How to add it:

• Make strong authentication mandatory for every account that touches sensitive systems
• Remove “easy bypass” sign-in options and outdated methods
• Use risk-based step-up rules for unusual sign-ins

Device Trust & Usage Policies

Most IT systems manage endpoints. Far fewer have a clearly defined and consistently enforced standard for what qualifies as a “trusted” device, or a defined response when a device falls short.

How to add it:

• Set a minimum device baseline
• Put Bring Your Own Device (BYOD) boundaries in writing
• Block or limit access when devices fall out of compliance instead of relying on reminders

Email & User Risk Controls

Email remains the front door for most cyberattacks. If you’re relying on user training alone to stop phishing and credential theft, you’re betting on perfect attention.

The real gap is the absence of built-in safety rails, controls that flag risky senders, block lookalike domains, limit account takeover impact, and reduce the damage from common mistakes.

How to add it:

• Implement controls that reduce exposure, such as link and attachment filtering, impersonation protection, and clear labeling of external senders
• Make reporting easy and judgement-free
• Establish simple, consistent process rules for high-risk actions

Continuous Vulnerability & Patch Coverage

“Patching is managed” often really means “patching is attempted.” The real gap is proof, clear visibility into what’s missing, what failed, and which exceptions are quietly accumulating over time.

How to add it:

• Set patch SLAs by severity and stick to them
• Cover third-party apps and common drivers/firmware, not just the operating system
• Maintain an exceptions register so exceptions don’t become permanent

Detection & Response Readiness

Most environments generate alerts. What’s often missing is a consistent, repeatable process for turning those alerts into action.

How to add it:

• Define your minimum viable monitoring baseline
• Establish triage rules that clearly separate “urgent now” from “track and review”
• Create simple, practical runbooks for common scenarios
• Test recovery procedures in real-world conditions
  

The Security Baseline for 2026

When you strengthen these five layers—phishing-resistant authentication, device trust, email risk controls, verified patch coverage, and real detection and response readiness—you turn your business’s security into a repeatable, measurable baseline you can be confident in.

Start with the weakest layer in your business environment. Standardize it. Validate that it’s working. Then move to the next. If you’d like help identifying your gaps and building a more consistent security baseline for your business, contact us today for a security strategy consultation. We’ll help you assess your current stack, prioritize improvements, and create a practical roadmap that strengthens protection without adding unnecessary complexity.

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This Article has been Republished with Permission from The Technology Press.

For years, Zero Trust seemed too complex or expensive for smaller teams. But the landscape has changed. With cloud tools and remote work, the old network perimeter no longer exists. Your data is everywhere, and attackers know it.

Today, Zero Trust is a practical, scalable defense, essential for any organization, not just large corporations. It’s about verifying every access attempt, no matter where it comes from. It’s less about building taller walls and more about placing checkpoints at every door inside your digital building.

Why the Traditional Trust-Based Security Model No Longer Works

The old security model assumed that anyone inside the network was automatically safe and that’s a risky assumption. It doesn’t account for stolen credentials, malicious insiders, or malware that has already bypassed the perimeter. Once inside, attackers can move laterally with little resistance.

Zero Trust flips this idea on its head. Every access request is treated as if it comes from an untrusted source. This approach directly addresses today’s most common attack patterns, such as phishing, which accounts for up to 90% of successful cyberattacks. Zero Trust shifts the focus from protecting a location to protecting individual resources.

The Pillars of Zero Trust: Least Privilege and Micro-segmentation

While Zero Trust frameworks can vary in detail, two key principles stand out, especially for network security.

The first is least privilege access. Users and devices should receive only the minimum access needed to do their jobs, and only for the time they need it. Your marketing intern doesn’t need access to the financial server, and your accounting software shouldn’t communicate with the design team’s workstations.

The second is micro-segmentation, which creates secure, isolated compartments within your network. If a breach occurs in one segment, like your guest Wi-Fi, it can’t spread to critical systems such as your primary data servers or point-of-sale systems. Micro-segmentation helps contain damage, limiting a breach to a single area.

Practical First Steps for a Small Business

You do not need to overhaul everything overnight. You can use the following simple steps as a start:

• Secure your most critical data and systems: Where does your customer data live? Your financial records? Your intellectual property? Begin applying Zero Trust principles there first.
• Enable multi-factor authentication (MFA) on every account: This is the single most effective step toward “never trust, always verify.” MFA ensures that a stolen password is not enough to gain access. 
• Segment networks: Move your most critical systems onto a separate, tightly controlled Wi-Fi network separate from other networks, such as a Guest Wi-Fi network.

The Tools That Make It Manageable

Modern cloud services are designed around Zero Trust principles, making them a powerful ally in your security journey. Start by configuring the following settings:

• Identity and access management: On platforms like Google Workspace and Microsoft 365, set up conditional access policies that verify factors such as the user’s location, the time of access, and device health before allowing entry.
• Consider a Secure Access Service Edge (SASE) solution: These cloud-based services combine network security, such as firewalls, with wide-area networking to provide enterprise-grade protection directly to users or devices, no matter where they are located.

Transform Your Security Posture

Adopting Zero Trust isn’t just a technical change, it’s a cultural one. It shifts the mindset from broad trust to continuous monitoring and validation. Your teams may initially find the extra steps frustrating, but explaining clearly why these measures protect both their work and the company will help them embrace the approach.

Be sure to document your access policies by assessing who needs access to what to do their job. Review permissions quarterly and update them whenever roles change. The goal is to foster a culture of ongoing governance that keeps Zero Trust effective and sustainable.

Your Actionable Path Forward

Start with an audit to map where your critical data flows and who has access to it. While doing so, enforce MFA across the board, segment your network beginning with the highest-value assets, and take full advantage of the security features included in your cloud subscriptions.

Remember, achieving Zero Trust is a continuous journey, not a one-time project. Make it part of your overall strategy so it can grow with your business and provide a flexible defense in a world where traditional network perimeters are disappearing.

The goal isn’t to create rigid barriers, but smart, adaptive ones that protect your business without slowing it down. Contact us today to schedule a Zero Trust readiness assessment for your business.

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This Article has been Republished with Permission from The Technology Press.

Sophisticated hackers know it is easier to breach a small, less-secure vendor than a fortified big corporate target. They know that they can use that vendor’s trusted access as a springboard into your network. Major breaches, like the infamous SolarWinds attack, proved that supply chain vulnerabilities can have catastrophic ripple effects. Your defenses are irrelevant if the attack comes through a partner you trust.

This third-party cyber risk is a major blind spot, and while you may have vetted a company’s service, have you vetted their security practices? Their employee training? Their incident response plan? Assuming safety is a dangerous gamble.

The Ripple Effect of a Vendor Breach

When a vendor is compromised, your data is often the prize. Attackers can steal customer information, intellectual property, or financial details stored with or accessible to that vendor. They can also use the vendor’s systems to launch further attacks, making it appear as if the malicious traffic is coming from a legitimate source.

The consequences of a successful breach are catastrophic to various aspects of your operation. For instance, beyond immediate data loss, you could face regulatory fines for failing to protect data, devastating reputational harm, and immense recovery costs. According to a report by the U.S. Government Accountability Office (GAO), federal agencies have been urged to rigorously assess software supply chain risks, a lesson that applies directly to all businesses.

The operational costs after a vendor breach are another often-overlooked expense. Suddenly, your IT team is pulled out of their regular tasks to respond, not to fix your own systems, but to investigate a threat that entered through a third party. They may spend days or even weeks conducting forensic analyses, updating credentials and access controls, and communicating with concerned clients and partners.

This diversion stalls strategic initiatives, slows daily operations, and can lead to burnout among your most critical staff. The true cost isn’t just the initial fraud or fines; it’s the disruption that hampers your business while you manage someone else’s security failure.

Conduct a Meaningful Vendor Security Assessment

A vendor security assessment is your due diligence since it moves the relationship from “trust me” to “show me.” This process should begin before you sign a contract and continue throughout the partnership. Asking the right questions, and carefully reviewing the answers, reveals the vendor’s true security posture.

• What security certifications do they hold (like SOC 2 or ISO 27001)? 
• How do they handle and encrypt your data? 
• What is their breach notification policy? 
• Do they perform regular penetration testing?
• How do they manage access for their own employees? 

Build Cybersecurity Supply Chain Resilience

Resilience means accepting that incidents will happen and having plans in place to withstand them. Don’t rely on a one-time vendor assessment, implement continuous monitoring. Services can alert you if a vendor appears in a new data breach or if their security rating drops.

Contracts are another critical tool. They should include clear cybersecurity requirements, right-to-audit clauses, and defined protocols for breach notifications. For example, you can require vendors to inform you within 24 to 72 hours of discovering a breach. These legal safeguards turn expectations into enforceable obligations, ensuring there are consequences for non-compliance.

Practical Steps to Lock Down Your Vendor Ecosystem

The following steps are recommended for vetting both your existing vendors and new vendors.

• Inventory vendors and assign risk: For each vendor with access to your data and systems, categorize them by assigning risk levels. For example, a vendor that can access your network admin panel is assigned “critical” risk, while one that only receives your monthly newsletter is considered “low” risk. High-risk partners require thorough vetting.
• Initiate conversations: Send the security questionnaire right away and review the vendor’s terms and cybersecurity policies. This process can highlight serious vulnerabilities and push vendors to improve their security measures.
• Diversify to spread risk: For critical functions, consider having backup vendors or spreading tasks across several vendors to avoid a single point of failure.

From Weakest Link to a Fortified Network

Managing vendor risk is not about creating adversarial relationships, but more about building a community of security. By raising your standards, you encourage your partners to elevate theirs. This collaborative vigilance creates a stronger ecosystem for everyone.

Proactive vendor risk management transforms your supply chain from a trap into a strategic advantage and demonstrates to your clients and regulators that you take security seriously at every level. In today’s connected world, your perimeter extends far beyond your office walls.

Contact us today, and we will help you develop a vendor risk management program and assess your highest-priority partners.

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This Article has been Republished with Permission from The Technology Press.

The most common form of MFA, four- or six-digit codes sent via SMS, is convenient and familiar, and it’s certainly better than relying on passwords alone. However, SMS is an outdated technology, and cybercriminals have developed reliable ways to bypass it. For organizations handling sensitive data, SMS-based MFA is no longer sufficient. It’s time to adopt the next generation of phishing-resistant MFA to stay ahead of today’s attackers.

SMS was never intended to serve as a secure authentication channel. Its reliance on cellular networks exposes it to security flaws, particularly in telecommunication protocols such as Signaling System No. 7 (SS7), used for communication between networks.

Attackers know that many businesses still use SMS for MFA, which makes them appealing targets. For instance, hackers can exploit SS7 vulnerabilities to intercept text messages without touching your phone. Techniques such as eavesdropping, message redirection, and message injection can be carried out within the carrier network or during over-the-air transmission.

SMS codes are also vulnerable to phishing. If a user enters their username, password, and SMS code on a fake login page, attackers can capture all three in real time and immediately gain access the legitimate account.

Understanding SIM Swapping Attacks

One of the most dangerous threats to SMS-based security is the SIM swap. In SIM swapping attacks, a criminal contacts your mobile carrier pretending to be you and claims to have lost their phone. They then request the support staff to port your number to a new blank SIM card in their possession.

If they succeed, your phone goes offline, allowing them to receive all calls and SMS messages, including MFA codes for banking and email. Without knowing your password, they can quickly reset credentials and gain full access to your accounts.

This attack doesn’t depend on advanced hacking skills; instead, it exploits social engineering tactics against mobile carrier support staff, making it a low-tech method with high‑impact consequences.

Why Phishing-Resistant MFA Is the New Gold Standard

To prevent these attacks, it’s essential to remove the human element from authentication by using phishing-resistant MFA. This approach relies on secure cryptographic protocols that tie login attempts to specific domains.

One of the more prominent standards used for such authentication is Fast Identity Online 2 (FIDO2) open standard, that uses passkeys created using public key cryptography linking a specific device to a domain. Even if a user is tricked into clicking a phishing link, their authenticator application will not release the credentials because the domain does not match the specific record. 

The technology is also passwordless, which removes the threat of phishing attacks that capture credentials and one-time passwords (OTPs). Hackers are forced to target the endpoint device itself, which is far more difficult than deceiving users.

Implementing Hardware Security Keys

Perhaps one of the strongest phishing-resistant authentication solutions involves hardware security keys. Hardware security keys are physical devices resembling a USB drive, which can be plugged into a computer or tapped against a mobile device.

To log in, you simply insert the key into the computer or touch a button, and the key performs a cryptographic handshake with the service. This method is quite secure since there are no codes to type, and attackers can’t steal your key over the internet. Unless they physically steal the key from you, they cannot access your account.

Mobile Authentication Apps and Push Notifications

If physical keys are not feasible for your business, mobile authenticator apps such as Microsoft or Google Authenticator are a step up from SMS MFA. These apps generate codes locally on the device, eliminating the risk of SIM swapping or SMS interception since the codes are not sent over a cellular network.

Simple push notifications also carry risks. For example, attackers may flood a user’s phone with repeated login approval requests, causing “MFA fatigue,” where a frustrated or confused user taps “approve” just to stop the notifications. Modern authenticator apps address this with “number matching,” requiring the user to enter a number shown on their login screen into the app. This ensures the person approving the login is physically present at their computer.

Passkeys: The Future of Authentication

With passwords being routinely compromised, modern systems are embracing passkeys, which are digital credentials stored on a device and protected by biometrics such as fingerprint or Face ID. Passkeys are phishing-resistant and can be synchronized across your ecosystem, such as iCloud Keychain or Google Password Manager. They offer the security of a hardware key with the convenience of a device that you already carry. 

Passkeys reduce the workload for IT support, as there are no passwords to store, reset, or manage. They simplify the user experience while strengthening security.

Balancing Security With User Experience

Moving away from SMS-based MFA requires a cultural shift. Since users are already used to the universality and convenience of text messages, the introduction of physical keys and authenticator apps can trigger resistance. 

It’s important to explain the reasoning behind the change, highlighting the realities of SIM-swapping attacks and the value of the protected information. When users understand the risks, they are more likely to embrace the new measures.

While a phased rollout can help ease the transition for the general user base, phishing-resistant MFA should be mandatory for privileged accounts. Administrators and executives must not rely on SMS-based MFA.

The Costs of Inaction

Sticking with legacy MFA techniques is a ticking time bomb that gives a false sense of security. While it may satisfy compliance requirements, it leaves systems vulnerable to attacks and breaches, which can be both costly and embarrassing. 

Upgrading your authentication methods offers one of the highest returns on investment in cybersecurity. The cost of hardware keys or management software is minimal compared to the expense of incident response and data recovery.

Is your business ready to move beyond passwords and text codes? We specialize in deploying modern identity solutions that keep your data safe without frustrating your team. Reach out, and we’ll help you implement a secure and user-friendly authentication strategy.

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This Article has been Republished with Permission from The Technology Press.