European cyber cop declares Microsoft's Citadel bust a success

Thu Jun 6, 2013 6:10pm EDT
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By Thomas Escritt and Jim Finkle

AMSTERDAM/BOSTON, June 6 (Reuters) - Europol said a global effort led by Microsoft Corp to stop one of the world's biggest cybercrime rings has succeeded in wiping out the malicious computer networks that the gang used, known as the Citadel Botnets.

Microsoft's Digital Crimes Unit, with help from authorities in more than 80 countries, on Wednesday cut off the servers controlling as many as 5 million infected PCs that belonged to the Citadel cyber crime operation, which is believed to have stolen more than $500 million from bank accounts over the past 18 months.

"Basically the Citadel bug is now clean," Troels Oerting, head of Europol's European Cybercrime Centre, said on Thursday.

The details are still emerging about the individual roles that dozens of countries across Europe and Asia played in bringing down the estimated 1,400 botnets that were part of the Citadel operation.

Andy Archibald, interim Deputy Director of Britain's National Cyber Crime Unit, said on Thursday that his agency had seized "a number of servers" as part of the effort and was closely working with the FBI on its investigation into Citadel.

Archibald said forensics experts were examining the servers.

Microsoft said on Wednesday that it had collected forensic evidence from two U.S.-based Internet hosting providers, under a federal court order that the company obtained by filing a civil lawsuit against the unknown operators of Citadel.

An FBI spokeswoman said she could not immediately say whether the evidence collected had brought investigators any closer to catching the culprits behind Citadel.   Continued...