Zscaler researchers have warned of an attempt to lure Winter Olympics fans to poisoned URLs.

"Incorporating a Twitter account 'gamesvancouver' that offers obscured links to Olympic highlights over the social networking service, the campaign features a browser redirection scheme that points people to a highly accurate counterfeit of the official Games site that subsequently attempts to infect machines with a Trojan attack," writes eWeek's Matt Hines.

"When users attempt to download videos from the phony Vancouver Games site they're asked to update their Flash multimedia software with a codec that includes the involved attack," Hines writes. "The malware program installs a Windows executable that contains a Trojan/Downloader, Zscaler experts said."

Click here to read the eWeek article.