FBI investigating JPMorgan hacking attack

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JPMorgan Chase Headquarters in New York

NEW YORK — The FBI is investigating a hacking attack on JPMorgan Chase that caused a data breach, according to a U.S. official familiar with the probe.

A U.S. official told CNN the extent of the damage from the attack and where it came from have not yet been determined.

“Companies of our size unfortunately experience cyberattacks nearly every day. We have multiple layers of defense to counteract any threats and constantly monitor fraud levels,” a JPMorgan spokesperson said.

The bank declined to comment further, and the FBI declined to comment.

Hackers from Russia and eastern Europe are often top FBI suspects in cyberattacks. The timing has raised suspicions given the mounting tensions between Russia and the West over Ukraine and economic sanctions.