How were amateur hackers able to take down some of America’s largest banks? And who were they?
Those were some of the bigger mysteries of last week’s cyberattacks on Wells Fargo, U.S. Bank, PNC, the New York Stock Exchange and others, that caused intermittent Internet outages and delays in online banking.
A group claiming Middle Eastern ties, the Izz ad-Din al-Qassam Cyber Fighters, took credit for the attacks online. They claimed to have taken the Web sites down using basic online applications. But security researchers said those methods were far too amateur to have been effective.
“They must have had help from other sources,” said Jaime Blasco, a security researcher at AlienVault, who investigated the attacks.
Those sources, it turns out, were data centers around the world that had been infected with a sophisticated form of malware that can evade detection by antivirus solutions. The attackers used those infected servers to simultaneously fire at American financial services companies until they fell offline. – The New York Times Bits
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