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How to Lock Down macOS Privacy and Security Settings

Issue Description 

Default macOS settings allow more access than most users realize. 

Common Causes 

  • Over-permissive app access 
  • Enabled services not in use 
  • Inherited permissions 

Step-by-Step Solution 

Step 1: Review App Permissions 

  • System Settings → Privacy & Security 
  • Review Camera, Microphone, Files, Full Disk Access 

 

Step 2: Disable Unused Services 

  • Turn off services like Remote LoginBluetooth Sharing if unused 

 

Step 3: Enable FileVault 

  • Encrypt disk to protect data at rest 

 

Step 4: Restrict Login Items 

  • Remove unnecessary background apps 

Explore Further 

  • Use Firewall with custom rules 

Prevention & Best Practices 

Less access = less risk.