Security researchers are finding spim levels again ticking upward. According to internetnews.com, spimmers are using the same tactics that spammers are using on social networking sites: sending messages that purport to come from friends.
CA research analyst Kenneth Yu says that one set of spims pitching Acai diet pills actually directs users to a realistic-looking phishing site that asks for credit card information. Other common spims try to sell users scareware.
Don DeBolt, director of threat research operations at CA's research laboratory, says enterprises need to protect themselves from potential danger.
"IM traffic should not be allowed out of the corporate network."