The 15 Most Influential People in Security Today - 1. Tavis Ormandy, Google Security Team
As goes Google, so goes Web 2.0 security. Tavis Ormandy, one of the most visible hackers/researchers on the Google Security Team, faces the unenviable responsibility of making sure all of Google's products pass the security smell test. An open-source security guru, Ormandy is tasked with identifying and analyzing vulnerabilities and exploits--and with getting them fixed before the bad guys can do damage. He is also co-lead of the Gentoo Security Team, shoring up the security of the Linux distribution.