Start here
The free tool below runs entirely in this browser — no account, nothing stored or transmitted. Redact anything you would not want kept before you type it.
Open the companion tool →Why full-screen browser warnings are fake
Web browsers allow websites to go full-screen and play audio loops. This does not mean the website has access to your operating system.
Real operating system security alerts (Microsoft Defender, Apple Security) never include phone numbers to call.
The protocol
- Do not call any phone number displayed on the screen.
- Press Esc or use key combos (Alt+F4 or Ctrl+Alt+Del on Windows; Option+Command+Esc on Mac) to close the browser.
- If needed, restart your computer physically.
- Reopen your browser and decline to 'restore previous session'.
What the tool does
Check a tech support alert and get immediate browser escape instructions. Runs in browser.
Limit first: This tool provides guidance to close fake popups. It does not scan your hard drive.
Open the companion tool →One human next step
If you allowed remote access to your computer, disconnect from Wi-Fi immediately, uninstall the remote software (AnyDesk, TeamViewer), and call your bank.
Research log and safety checks
AI-assist path: technical verification guide. §6.10: not a frontier-pace topic.
§0.5 protection result: category is scam-fraud-defense; crisis-adjacent: no; fear/urgency/scarcity toolkit used: no. The protective function is free and the paid feature is convenience only.