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HD Moore is the guy behind the Metasploit Project. In general, Metasploit helps sysadmins find security holes in their networks. Last week, Moore published an exploit for a weakness in the domain name server (DNS) software used to route Web surfers to the correct machine for, say, On Tuesday, some of the traffic to Moore's employer, BreakingPoint, was rerouted to a fake Google page operated by a scammer running a click fraud racket. The cause? An AT&T DNS server for the Austin, Texas area that had been compromised using ... you guessed it. Moore emailed us, "There is no way to verify now that it has been fixed, but my impression is that it was actually a different exploit."