Fake Virus Warning Pop-Up? What to Do (and What Not to Click)
A red screen says your computer is infected and to call Microsoft. It's a scam page, not a virus. How to close it, stop it coming back, and what to do if you already called.
Phishing & Email Fraud
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Scammers Sending Email From Your Address? How to Check and Fix SPF, DKIM and DMARC
If fake invoices are going out under your name, or your real mail lands in spam, your domain is missing its email security records. Here's a two-minute check and a step-by-step fix.
Scanned a QR Code From an Email? What to Do Now (and Why Your Filter Missed It)
Someone scanned a QR code in an email and signed in to a fake page. Here's what to do in the first hour in Microsoft 365 or Google Workspace, and why QR phishing gets past your filter.
Someone Called Claiming to Be Our Bank, IT or the Boss: What Do We Do?
A caller says they're your bank's fraud team, your IT support or the owner, and they need a code, a password or a payment right now. Here's how to check, what to do if you already answered, and a one-page phone policy for the office.
Business Email Compromise: The $3 Billion Scam Hiding in Your Inbox
Business email compromise cost Americans about $3 billion in 2025. Here's how the scam works, what actually stops it, and what to do if you've already sent the money.