Welcome to a Normal Website

This is a normal-looking webpage. But it's about to simulate a tech support scam attack that uses browser APIs to lock your screen.

The attack will: go fullscreen (hide browser chrome), lock your pointer (hide cursor), and lock your keyboard (trap Escape/Alt+Tab).

🛡 Windows Defender — Security Warning

Your PC Has Been Compromised!

Windows Defender has detected a Trojan_Spyware.Alert – Error Code: #0x80073b01

Your passwords, browser history, and credit card information are at risk.

Do NOT shut down or restart your computer.

1-888-555-0123

Call Microsoft Certified Technicians immediately

âš  YOUR COMPUTER HAS BEEN LOCKED âš