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Hackers target European ATMs in spree that highlights new cyber threat

Nov 21 Cyber criminals have remotely attacked cash machines in more than a dozen countries across Europe this year using malicious software that forces machines to spit out cash, according to Russian cyber security firm Group IB.

Diebold Nixdorf and NCR Corp, two of the world's biggest ATM makers, said they were aware of the attacks and have been working with customers to mitigate the threat. The newly disclosed heists across Europe follow hacks of ATMs in Taiwan and Thailand, which were widely reported over the summer.

Group IB declined to name banks that were "jackpotted," a term used to describe forcing ATMs to spit out cash, but said the victims were located in Armenia, Belarus, Bulgaria, Estonia, Georgia, Kyrgyzstan, Moldova, the Netherlands, Poland, Romania, Russia, Spain, the United Kingdom and Malaysia.

Dmitry Volkov, head of threat intelligence with Group IB, told Reuters that he expects more heists on ATMs.

Hackers have moved from stealing payment card numbers and online banking credentials to more lucrative hacks on bank networks, giving them access not only to ATM machines, but also to electronic payment networks.

A February attack on servers at Bangladesh's central bank that controlled access to the SWIFT messaging system yielded more than $81 million in one of the biggest digital heists on record. Russian banks lost over $28 million in a series of wire-fraud cases that were identified earlier this year.

"What we are seeing demonstrated is the new model of organized crime," said Shane Shook, an independent security consultant who helps banks and governments investigate cyber attacks and reviewed Group IB's findings.

ATMS INFECTED REMOTELY

"We have been working actively with customers, including those who have been impacted, as well as developing proactive security solutions and strategies to help prevent and minimize the impact of these attacks," said Owen Wild, NCR's global marketing director for enterprise fraud and security.

Disclosure of the campaign follows two ATM hacks in July: $2.5 million was stolen from Taiwan's First Bank and $350,000 from Thailand's state-run Government Savings Bank.

Hackers remotely infected ATMs at both banks, forcing them to spit out cash that was collected by teams of "money mules," who authorities say traveled to Asia from Eastern Europe.

The U.S. Federal Bureau of Investigation earlier this month sent a private alert to American banks, warning them to be on the lookout for attacks on ATMs following the heists in Taiwan and Thailand, the Wall Street Journal reported on Monday.

An FBI spokesman declined to comment on the attacks in Europe.

Group IB said it believed the attacks across Europe were conducted by a single criminal group, which it dubbed Cobalt.

It named them after a security-testing tool known as Cobalt Strike, which the perpetrators used in the heists to help them move from computers in the bank network that were infected with tainted emails to specialized servers that control ATMs.

'SMASH AND GRAB' APPROACH

Cyber criminals have been attacking cash machines for at least five years, though early cases were limited to small numbers of ATMs.

Hackers have traditionally required physical access to cash machines, making it tougher to steal large sums, said Shook, the independent security consultant. They are now using methods like the Cobalt gang, enabling them to attack larger numbers of machines in "smash and grab" operations, he said.

Group IB believes that Cobalt is linked to a well-known cyber crime gang dubbed Buhtrap, which stole 1.8 billion rubles ($28 million) from Russian banks from August 2015 to January 2016, because the two groups use similar tools and techniques.

Buhtrap stole money through fraudulent wire transfers, not ATM jackpotting.

The ATM Security Association declined to comment on Group IB's findings.

Members of the group, which works to improve ATM security, include ATM maker Diebold Nixdorf as well as banks ABN Amro, Bank of America Corp, Royal Bank of Scotland Group and Wells Fargo & Co..

Representatives with Europol, which coordinates investigations of cyber crimes across Europe, had no immediate comment. (Reporting by Jim Finkle in Boston; Additional reporting by Anthony Deutsch in The Hague; Editing by Jonathan Weber and Dan Grebler)

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