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USB Block is a safe tool to prevent data leakage.

  • A authorization prompt will be displayed when a new USB device is detected.
  • Without your password, non-trusted USB devices will be automatically blocked when they are inserted.
  • There will be a notification displayed on the screen when a device is blocked.
  • Only whitelisted USB devices can be inserted without authorization prompt.

What's New

Version 2.4.3:
  • Fix bugs


  • OS X 10.8 or later

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USB Block User Discussion


Current Version (2.x)


Downloads 124
Version Downloads 12
License Commercial
Date 22 May 2018
Platform Intel 64 / OS X
Price $9.99
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