According to Zscaler Research Update (04/07/2011 10:03am PST): USPS officials have taken the http://ribbs.usps.gov web site down to address the infection. A United States Postal Service website (http://ribbs.usps.gov) has been infected with the Blackhole Exploit kit. As we’ve discussed previously, the Blackhole Exploit kit, a commercial exploit kit developed by Russian hackers, is being seen in […]