SAN FRANCISCO – JPMorgan Chase and at least four other financial institutions were hacked recently in a series of coordinated attacks, a federal law enforcement official told USA TODAY.
The source, who was not authorized to comment publicly, said investigators believe Russian hackers were the source of the attacks. What is less clear is whether the attacks were prompted by U.S. sanctions against the Russian government.
The sophisticated cyberattack resulted in the loss of sensitive data, Bloomberg.com said, citing security experts.
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