Users should be on guard for spam touting the guilty verdict of former professional football star O.J. Simpson, a security company warned today.

"Anytime there's a big news story, spammers latch on to it to get people to click on a link and download their malware," said Sam Masiello, vice president of information security at MX Logic Inc.

Although MX Logic has not yet spotted any Simpson-related spam, Masiello said that company researchers have found evidence of an impending campaign. "We...

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