Warning, celebrity lovers: If you go looking for Cameron Diaz, you might get infected.

That is, if you search for Diaz on the Internet, says McAfee, the home computer security company, you run the risk of encountering malicious software that can harm your computer.

McAfee's fourth annual list of the "most dangerous celebrities to search for" on the Internet places the "Knight and Day" star at No. 1. The company says searching for the "latest Cameron Diaz pictures and downloads yields a 10 percent chance of landing on a website that's tested positive for online threats, such as spyware, adware, spam, phishing, viruses and other malware."