Free USB block software for Windows 10/8/7

There are several free USB block software for Windows 10/8/7.

1. Windows USB Blocker

Windows USB Blocker is a simple USB security software that allows to block and unblock your USB port to access, prevent malware from infecting your PC as well for preventing unauthorized people from copying your sensitive data.

2. USB Safeguard

USB Safeguard is a free password protect USB software to lock USB and make it write-protected to prevent unauthorized access to your removable drives by encrypting your data using the AES 256 bits encryption algorithm.

3. NetWrix's USB-Blocker

NetWrix USB Blocker is a free of charge, easy-to-deploy solution that allows you to block USB devices automatically on computers in a specified domain or domain organizational units. NetWrix USB Blocker enforces centralized access control to prevent unauthorized use of removable media that connects to computer USB ports, such as memory sticks, removable hard disks, PDAs and others.