The Aegis Secure Key 3.0 has military grade full disk AES 256-bit XTS hardware encryption and is FIPS 140-2 Level 3 validated. You unlock the drive by entering your 7-16 digit PIN before you connect it to your device that way hackers cannot use software on your device to capture your password, and it automatically locks when you unplug it. If an incorrect password is typed 20 consecutive times all the data and the encryption key are erased. It is also dust and water resistant as well as a wear resistant keypad to hide key usage and to help prevent hackers from knowing the commonly used keys. This USB is a Super Speed USB 3.0 that has data transfer rates of 195 for read and 162 for write. It is software free, so it can run on all operating systems