Thank you for your review
Developer website: 

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 2.4.2:
  • Fix bugs
  • macOS 10.13 High Sierra support


  • OS X 10.8 or later

Similar Software

Suggest other similar software
Create a collection and add  to it.
Like this app? Be the first to add it to a collection! Create a Collection by bringing together complementary apps that have a common theme or purpose, then share it and discover new collections! + Create a Collection

USB Block User Discussion


Current Version (2.x)


Downloads 107
Version Downloads 54
License Commercial
Date 03 Dec 2017
Platform Intel 64 / OS X
Price $9.99
To leave a comment, you need to be logged in.
Sort by: Time | Smiles
USB Block needs a review. Be the first to review this app and get the discussion started!
USB Block needs a rating. Be the first to rate this app and get the discussion started!
MacUpdate Promo