Infostealer Malware: How Your Company Logins End Up for Sale
Infostealer malware infects a single device and quietly exfiltrates every saved password and session cookie on it. How it spreads, the warning signs, and how to contain an infection fast.
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Payroll Diversion Fraud: When a Fake Email Reroutes an Employee’s Paycheck
Payroll diversion fraud reroutes an employee’s paycheck with a single fake direct-deposit-change email to HR or payroll. How the attack works and the callback rule that stops it.
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The Fake CAPTCHA Scam (ClickFix): How Employees Get Tricked Into Infecting Their Own PC
What the fake CAPTCHA actually looks like on screen Your bookkeeper clicks a link in a vendor email — a PDF invoice hosted on a site she does not recognize but has no reason to distrust. The page loads and shows a checkbox that looks exactly like the “I’m not a robot” widget she has…
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You Turned On MFA and Still Got Hacked: How Attackers Steal Session Tokens
SmallBizSecurityGuide is reader-supported. If you buy through links on this page we may earn a commission at no extra cost to you. The email looks like a voicemail, and the login page is perfect Your office manager gets a message that looks like it came from a coworker: a shared document, or a missed-call notification…
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The Callback Rule: A Payment Verification Procedure That Stops Wire Fraud
The email that does not look like an attack It is 4:10 on a Thursday. Your bookkeeper opens an email from the controller at a supplier you have paid monthly for six years. Same signature block, same logo. Subject line: Updated remittance details. Their bank completed a merger, the old account closes Friday, please route…
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Cybersecurity for New Business Owners (First 90 Days)
The 90-day cybersecurity setup roadmap for new small business owners. What to do days 1-30, 31-60, 61-90, prioritized by risk.
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Physical Security for Small Business Offices
Physical security controls for small business: access control, cameras, visitor management, sensitive area security, common failures.
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BYOD Policy for Small Business: What to Include
BYOD policy for small business — the nine essential sections, MDM enforcement, legal considerations, and offboarding procedures for personal devices at work.
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Password Rotation: Why the Old Advice Changed
Password rotation guidance changed — NIST no longer requires 90-day changes. What replaces rotation, when it’s still required, and how to update policy.
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Cryptojacking Explained: How to Stop It in Your Business
How cryptojacking works, how it gets onto small business networks, the real symptoms, and the practical controls that stop it before it becomes a bigger incident.