The computer breach at JPMorgan Chase this summer — the largest intrusion of an American bank to date — might have been thwarted if the bank had installed a simple security fix to an overlooked server in its vast network, said people who have been briefed on internal and outside investigations into the attack.
The New York Times reports that big corporations like JPMorgan spend millions — $250m in the bank’s case — on computer security every year to guard against increasingly sophisticated attacks like the one on Sony Pictures. But the weak spot at JPMorgan appears to have been a very basic one, the people said. They did not want to be identified publicly because the investigation into the attack is incomplete.
The attack against the bank began last spring, after hackers stole the login credentials for a JPMorgan employee, these people said. Still, the attack could have been stopped there.
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