Meet even the most stringent data storage and transport requirements via military-grade, AES 256-bit encryption that is handled at the hardware level and is FIPS 140-2 Level 3 Validated. And encryption implemented in Cipher Block Chaining (CBC) mode is activated every time the USB flash drive is in use. IronKey Defender F150 USB 2.0 Flash Drive, 16GB is one of many Portable Flash Drives available through Office Depot. Made by IronKey.