Issue Description
Fake alerts claim “Your Mac is infected” and urge calling a number or installing software.
Common Causes
- Malicious websites
- Browser notification abuse
- Adware
Step-by-Step Solution
Step 1: Close the Alert Safely
- Press Command + Option + Esc
- Force quit the browser (do NOT click buttons)
Step 2: Disable Browser Notifications
- Safari → Settings → Websites → Notifications
- Remove unknown websites
Step 3: Scan for Adware
- Remove unknown apps from Applications
- Restart Mac
Step 4: Reset Browser Settings
- Clear website data and extensions
Explore Further
- Enable Safari fraud warnings
Prevention & Best Practices
Apple never shows virus alerts in browsers.