USB Block

usb block for Windows - app logo
Your PC might be full of photos, audios, videos, presentations, and office files you want no one to steal! USB Block is created exactly for such purpose. This data leak prevention software allows Windows users to whitelist only the authorized known devices and restrict the unwanted users from copying your files to unauthorized devices, USB drives, disc drives (CD/DVD), Floppy drives, network PCs or drives, non-system drives, external device, etc.

Prevent data leaks

Restrict unknown USB drives, disc drives (CD/DVD), Floppy drives, network PCs or drives, non-system drives, external devices & ports on your PC.

Monitor hack, incorrect password attempts

Monitor any suspicious activity, check whether someone has tried to hack into USB Block by using incorrect passwords.

Authorize trusted USB drives, devices

Whitelist only the authorized known devices and restrict the unwanted users and devices.

Protect hard drive, network PC or drive

You can not only block USB drive, disc drive, floppy drive, but also restrict access to local hard drive, network PC and drive.

download the app

USB Block is a permission based software, once installed, the program asks you to set and confirm a password which it uses to allow access to your own USB drives, External drives, CDs, DVDs etc., while blocking every other drive. This prevents illegal copy, leakage and duplication of your private files and folders.

usb block for windows - summary


USB Block also prevents spread of viruses and malware by not letting malicious USB Drives, CDs and DVDs access your PC without your permission (password). The program also blocks unauthorized network computers & non-system drives, keeping malicious activity as far away from your computers as possible. If you use your computer at home or have several PCs in your office, installing USB Block on every computer is your ticket to safe computing.


USB Block prompts for a password every time an external device is accessed. If you enter the correct password, the program allows full access to that drive, however if you deny access, no file can be copied or leaked from your PC to that drive. The program also maintains a list of authorized devices for you so that you won’t be prompted for the password next time. This way, you can allow access and transfer data to your own drives while continue to block others.


USB Block is unique because it blocks all drives, devices, ports and slots from which data can be leaked. The program blocks devices even in Safe Mode, making it impossible for hackers to copy data from your computer. Furthermore, the Program Files folder of USB Block and all the files contained in it are delete proof i.e., no one can delete and uninstall the program without your permission (password).


USB Block also monitors and keeps a record of what devices have tried to access your PC by whom and when. Additionally the program also monitors and keeps a log of illegal program deletion attempts, unauthorized uninstall attempts as well as invalid password attempts.


Furthermore, you can also activate Stealth Mode to prevent from being discovered.

Operating System:
Windows 10, 8 , 7, Vista, XP, Windows 2008 Server, Windows 2000 and Window 2003 Server; support both 32-bit and 64-bit versions of Windows OS.

One-time fee, life-time license, free upgrade and support



Quick, easy and simple

Portable USB security software that is quick, easy to operate, simple and reasonably priced. An improved USB Security software that prevents any unauthorized data loss.

Improved data protection software

Leading data leak protection tool that lets you limit all such untrusted devices that you do not trust and enable all the trusted devices by whitelisting them using this software.

Reliable and recommended

Protect your files and folders from being burned directly to CDs/DVDs. Restrict the unauthorized USB ports and External Drives. Compatible with 32-bit and 64-bit versions.