LifeLock Inc. (NYSE:LOCK) is an American identity theft protection company based in Tempe, Arizona. The company offers the LifeLock identity theft protection system, which is intended to detect fraudulent applications for various credit and non-credit related services.In July 2015, CNN headlines FTC: LifeLock protection service doesn't live up to its name.ifeLock was co-founded in 2005 by Robert J. Maynard and Todd Davis. Amid controversy, Maynard left the company in 2007.