Secure USB flash drives protect the data stored on them from access by unauthorized users. USB flash drive products have been on the market since 2000, and their use is increasing exponentially.[1][2] As both consumers and businesses have increased demand for these drives, manufacturers are producing faster devices with greater data storage capacities.

An increasing number of portable devices are used in business, such as laptops, notebooks, universal serial bus (USB) flash drives, personal digital assistants (PDAs), advanced mobile phones and other mobile devices.