Initially, the exploit appeared isolated to websites related to US football, as hackers tried to capitalise on the surge of traffic to sites concerning the Super Bowl sporting event, which was played on Sunday. The site of the Miami Dolphins team, and another site for its stadium, were hacked, although they were eventually cleaned of malware.
Security company Websense reported the problem on the stadium site on Friday. Websense recommended that users stay away from the affected sites until they had been cleaned up.
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