Hacker's typo botches $1 billion bank heist
A spelling mistake in an online bank transfer instruction helped prevent a nearly $US1 billion ($NZD1.5 billion) heist last month involving the Bangladesh central bank and the New York Federal Reserve, banking officials say.
Unknown hackers still managed to get away with about $US80 million, one of the largest known bank thefts in history.
The hackers breached Bangladesh Bank's systems and stole its credentials for payment transfers, two senior officials at the bank said. They then bombarded the Federal Reserve Bank of New York with nearly three dozen requests to move money from the Bangladesh Bank's account there to entities in the Philippines and Sri Lanka, the officials said.
Four requests to transfer a total of about $US81 million to the Philippines went through, but a fifth, for $US20 million, to a Sri Lankan non-profit organisation was held up because the hackers misspelled the name of the NGO, Shalika Foundation.
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Hackers misspelled "foundation" in the NGO's name as "fandation", prompting a routing bank, Deutsche Bank, to seek clarification from the Bangladesh central bank, which stopped the transaction, one of the officials said.
There is no NGO under the name of Shalika Foundation in the list of registered Sri Lankan non-profits. Reuters could not immediately find contact information for the organization.
Deutsche Bank declined to comment.
At the same time, the unusually large number of payment instructions and the transfer requests to private entities - as opposed to other banks - raised suspicions at the Fed, which also alerted the Bangladeshis, the officials said.
The details of how the hacking came to light and was stopped before it did more damage have not been previously reported. Bangladesh Bank has billions of dollars in a current account with the Fed, which it uses for international settlements.
The transactions that were stopped totalled $US850-$US870 million, one of the officials said.
Last year, Russian computer security company Kaspersky Lab said a multinational gang of cyber criminals had stolen as much as $US1 billion from as many as 100 financial institutions around the world in about two years.
Iraqi dictator Saddam Hussein's son Qusay took $US1 billion from Iraq's central bank on the orders of his father on the day before coalition forces began bombing the country in 2003, American and Iraqi officials have said. In 2007, guards at the Dar Es Salaam bank in Baghdad made off with $US282 million.
Bangladesh Bank has said it has recovered some of the money that was stolen, and is working with anti-money laundering authorities in the Philippines to try to recover the rest.
A bank spokesman could not be reached for comment late on Thursday.
The recovered funds refer to the Sri Lanka transfer, which was stopped, one of the officials said.
Initially, the Sri Lankan transaction reached Pan Asia Banking Corp, which went back to Deutsche Bank for more verification because of the unusually large size of the payment, a Pan Asia official said.
"The transaction was too large for a country like us," the official said. "Then (Deutsche) came back and said it was a suspect transaction."
A Pan Asia spokesman could not immediately be reached for comment.
The dizzying, global reach of the heist underscores the growing threat of cyber crime and how hackers can find weak links in even the most secure computer networks.
More than a month after the attack, Bangladeshi officials are scrambling to trace the money, shore up security and identify weaknesses in their systems. They said there is little hope of ever catching the hackers, and it could take months before the money is recovered, if at all.
FireEye Inc's Mandiant forensics division is helping investigate the heist, people familiar with the matter told Reuters on Thursday.
The sources said Silicon Valley-based FireEye, which has investigated some of the biggest cyber thefts on record, was brought in by World Informatix, a smaller firm that is advising Bangladesh Bank on the investigation.
Security experts said the perpetrators had deep knowledge of the Bangladeshi institution's internal workings, likely gained by spying on bank workers.
The Bangladesh government, meanwhile, is blaming the Fed for not stopping the transactions earlier.
Finance Minister Abul Maal Abdul Muhith told reporters on Tuesday that the country may resort to suing the Fed to recover the money.
"The Fed must take responsibility," he said.
The New York Fed has said its systems were not breached, and it has been working with the Bangladesh central bank since the incident occurred.
The hacking of Bangladesh Bank happened sometime between Feb. 4-5, over the Bangladeshi weekend, which falls on a Friday, the officials said. The bank's offices were shut.
Initially, the central bank was not sure if its system had been breached, but cyber security experts brought in to investigate found hacker "footprints" that suggested the system had been compromised, the officials said.
These experts could also tell that the attack originated from outside Bangladesh, they said, adding the bank is looking into how they got into the system and an internal investigation is ongoing.
The bank suspects money sent to the Philippines was further diverted to casinos there, the officials said.
The Philippine Amusement and Gaming Corp, which oversees the gaming industry, said it has launched an investigation. The country's anti-money laundering authority is also working on the case.
- Sydney Morning Herald