15 most dangerous celebrities online

Searching for the "7th Heaven" star puts computer users at the highest risk of getting a virus, thanks to the buzz regarding her svelte physique and high profile relationship with singer/actor Justin Timberlake. Says McAfee: "When 'Jessica Biel screensavers' was searched, almost half of the sites were identified as containing malicious downloads with spyware, adware and potential viruses."