Hackers go after Citibank ATMs

The feds have broken up a ring of hacker-thieves who found an electronic way into Citibank's automated teller machines at 7-Eleven stores. They stole at least $2 million before they were shut down. According to Minyanville, the hackers apparently exploited the Windows operating system, which runs the ATMs. They "may have gained 'administrative access' to the ATM machines through a network flaw or by cracking system passwords. The crooks also could have installed rogue software on the main computer to capture unencrypted PINs." Cardtronics actually owns the ATMs, with Fiserv apparently handling operations. While exploiting Windows is a time-honored hackers tactic, the scam has the hallmarks of an insider helping the crooks. 

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