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To download USB Lock from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

USB Lock

By Chris Vallis

Open the Mac App Store to buy and download apps.


As seen on Lifehacker and Addictive Tips

Lock and unlock your screen with a usb storage device.

Screen turns black or displays selected image when locked and optional password text box appears when key pressed or mouse clicked.

Use global hot key to lock the screen.

Does not sleep or shutdown running applications. Leave applications running while the system is protected.

Use with a password for Two-Factor authentication.

Two-factor authentication requires the use of two authentication factors. The two factors are something the user knows and something the user has. For example a USB device and a password.

Coming Soon: 
Idle timer to lock the screen when system inactive.

What's New in Version 4.0.0

multiple screen support


Screenshot 1

Customer Reviews


it works but i wish it had more customisation options. also the “eject on sleep” mode is useless because when it locks the screen it doesnt automatically sleep

USB Lock
View in Mac App Store
  • $2.99
  • Category: Productivity
  • Updated:
  • Version: 4.0.0
  • Size: 0.9 MB
  • Language: English
  • Seller:

Compatibility: OS X 10.7 or later, 64-bit processor

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