Apricorn Aegis Secure Key FIPS Validated 8 GB USB 2.0 256-bit AES-CBC Encrypted Flash Drive ASK-256-8GB (Black) FIPS Validated 256-bit Military Grade Hardware Encryption PIN activated 7-15 digits - Alphanumeric keypad use a memorable number or word for your PIN It does not require any software or drivers to be installed and is compatible with PCs, MACs, Linux and embedded systems. Its rugged, extruded aluminium, water proof casing is tamper evident and protects it against physical damage. OS and platform independent - compatible with Windows, Mac, Linux and embedded systems Auto Lock feature: The Aegis Secure Key instantly locks once unplugged from your computers USB port. The Aegis Secure Key also includes a drive reset feature which clears both User and Admin PINs, destroys the data, creates a new randomly generated encryption key and allows the drive to be reused. The internal drive components are protected by a super tough epoxy compound, which is virtually impossible to remove without causing permanent damage to the electronics.