Beware of Fake Microsoft Security Alerts

A new wave of spam that disguises itself as a Microsoft security bulletin contains a link to malicious software that gives attackers complete access to the infected machine, security researchers are reporting.

The e-mail, which began circulating late Tuesday, identifies itself as Microsoft Security Bulletin MS05-039, and offers a link to what it claims is a patch against the Sober Zafi and Mytob worms.