The McAfee Most Dangerous Celebrities study ranked the host of ABC's "Jimmy Kimmel Live" number one in 2014, knocking "Mirror, Mirror" star Lily Collins off the top spot. DJ Armin van Buuren took second place while R&B singer Ciara came third.
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"Most consumers are completely unaware of the security risks that exist when searching for celebrity and entertainment news, images and videos online, sacrificing safety for immediacy," Gary Davis, McAfee's chief consumer security evangelist, said in a press release.
"Cybercriminals capitalize on consumers' attention to breaking celebrity news and leverage this behavior to lead them to unsafe sites that can severely infect their computers and devices and steal personal data."
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Celebrity searches are a key way for hackers to target unwitting browsers as the names are among the most searched-for online.