Samsung Knox provides security features that enable business and personal content to coexist on the same handset. The user presses an icon that switches from Personal to Work use with no delay or reboot wait time. The manufacturer has claimed this feature will be fully compatible with Android and Google and will provide full separation of work and personal data on mobile devices and "addresses all major security gaps in Android."
The Knox service is part of the company's "Samsung Approved For Enterprise" (SAFE) offerings for smartphones and tablets. Samsung Knox’s primary competitor is Blackberry Balance, a service that separates personal and work data. The name, Samsung Knox, is derived from Fort Knox.
In October 2014, U.S National Security Agency (NSA) approved Samsung Galaxy devices under a program for quickly deploying commercially available technologies. Approved products include Galaxy S4, Galaxy S5, Galaxy Note 3, Galaxy Note 10.1 2014.
In June 2014, five Samsung devices were included in the list of approved products for sensitive but unclassified use by the Defense Information Systems Agency (DISA) of the Department of Defense, which certifies commercial technology for defense use. 
- Ray Shaw (March 23, 2013). "Samsung Knox™ BlackBerry off Balance". IT Wire. Retrieved 21 April 2013.
- Hubert Nguyen (February 25, 2013). "Samsung KNOX Provides Privacy To BYODUsers". UberGizmo. Retrieved 21 April 2013.
- John Ribeiro (October 21, 2014). "NSA approves Samsung Knox devices for government use". computerworld. Retrieved 22 October 2014.
- John Ribeiro (October 21, 2014). "NSA approves Samsung Knox devices for government use". pcworld. Retrieved 22 October 2014.
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