Shavlik Technologies was a privately held company founded in 1993 by Mark Shavlik, who was one of the original developers of Windows NT in the late 1980s and early 1990s at Microsoft. The company provided software and services for network vulnerability assessment and for managing network security patches. Mark Shavlik left his role as CEO when Shavlik Technologies was acquired by VMware in May 2011, then held the position of Vice President and General Manager at VMware until March 2013.