Victory was both sweet and familiar for Miller, the principal security analyst for Independent Security Evaluators, since he had successfully exploited Safari in the contest's 2009 and 2008 iterations. He's keeping the exact mechanics of this year's attack under wraps at the moment, but indicated that merely having the target computer visit a specially-crafted Website was enough to trigger the exploit, granting him command-line access to the Mac. The Pwn2Own sponsor, Tipping Point's Zero Day Initiative, shares information on exploits with the vendors involved, to give them an opportunity to patch the vulnerabilities.