HVAC vendor eyed as entry point for Target breach

A heating and air conditioning contractor may have provided the opening hackers exploited in the massive breach of Target's computer network.

"Like Target, we are a victim of a sophisticated cyber attack operation," said Ross Fazio, president of Fazio Mechanical Services, in a statement. "We are fully cooperating with the Secret Service and Target to identify the possible cause of the breach."

CNNMoney reports the breach of the heating contractor's password highlights the potential for serious vulnerabilities at other major U.S. retailers.

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