Skip to content

How to Secure macOS Backups from Unauthorized Access

Issue Description 

Backups contain full system data and are valuable targets for attackers. 

Common Causes 

  • Unencrypted backup disks 
  • Permanently connected drives 
  • Shared backup locations 

Step-by-Step Solution 

Step 1: Encrypt Time Machine Backups 

  • System Settings → General → Time Machine 
  • Enable Encrypt backups 

 

Step 2: Disconnect Backup Drive When Not in Use 

  • Prevents ransomware access 

 

Step 3: Protect Backup Password 

  • Store encryption password securely 
  • Never write it on the drive 

 

Step 4: Restrict Backup Access 

  • Do not share backup disks across users 

Explore Further 

  • Test restore process 

Prevention & Best Practices 

An unencrypted backup is a data leak waiting to happen.