Security First Corp is a Rancho Santa Margarita, CA information assurance and data security company. The company holds over 250 patents for software defined data security, including its Secure Parser Extended (SPx) technology, which encrypts and randomly splits data into multiple segments, storing them in different locations. This technology is also called bitsplitting. Security First Corp was founded in 2002 by Mark O'Hare, a 26 year Navy veteran who had served as Program Executive Officer of the US Navy Aircraft Carrier Program. In 2008, information technology company Unisys integrated Security Firsts Secure Parser technology into its Stealth brand software for Windows servers and desktops.