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How to Protect macOS from Browser Hijackers

Issue Description 

Browser hijackers change homepage, inject ads, or redirect searches. 

Common Causes 

  • Malicious extensions 
  • Bundled software installers 

Step-by-Step Solution 

Step 1: Remove Suspicious Extensions 

  • Safari/Chrome → Extensions 
  • Remove unknown items 

 

Step 2: Reset Browser Settings 

  • Reset homepage and search engine 
  • Clear website data 

 

Step 3: Remove Hijacker Apps 

  • Delete unknown apps from Applications 

 

Step 4: Restart Mac 

  • Confirm browser behavior is normal 

Explore Further 

  • Check Activity Monitor for persistence 

Prevention & Best Practices 

Never install extensions you don’t need.