Sana Security is a behavioral security software company that provides enterprise security software. It offers Primary Response SafeConnect, a security software that provides protection against known and unknown threats, including spyware, adware, and rootkits; and Primary Response Memory Shield Server, which provides buffer overflow protection for various servers. The company was founded in 2000 as Company 51 and changed its name to Sana Security in December 2002. Sana Security is headquartered in San Mateo, California. As of January 13, 2009, Sana Security operates as a subsidiary of AVG Technologies.