The drive is designed to thwart attempts by hackers to steal money from online bank accounts by providing a self-contained secure environment for online financial transactions that avoids malware that may already be on a computer. IronKey Trusted Access for Banking is based on the IronKey, a ruggedized flash storage drive that uses 256-bit AES (Advanced Encryption Standard) hardware encryption that meets the Federal Information Processing Standard (FIPS) 140-2, a U.S. government standard for the protection of sensitive information.