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 "We are working with the United States Secret Service to determine
the scope of recently reported cyber attacks against several
American financial institutions," FBI spokesman Joshua Campbell said
in a statement late on Wednesday.
He did not name any firms or give further details. A Secret Service
spokesman could not be reached for comment.
JPMorgan Chase & Co was the victim of a recent cyber attack,
according to two people familiar with the incident who asked not to
be identified because they were not authorized to speak publicly
about the matter. They declined to elaborate on the severity of the
incident, saying JPMorgan was still conducting an investigation to
determine what happened.
JPMorgan spokesman Brian Marchiony declined comment when asked about
the attack.
“Companies of our size unfortunately experience cyber attacks nearly
every day. We have multiple, layers of defense to counteract any
threats and constantly monitor fraud levels,” he said in a
statement.
Earlier on Wednesday, Bloomberg News reported that Russian hackers
were believed to have carried out cyber attacks against JPMorgan
Chase and another unnamed U.S. bank in mid-August, resulting in the
loss of sensitive data. Authorities are investigating whether the
breaches were linked to recent attacks on major European banks, the
Bloomberg report said.
The New York Times reported late on Wednesday that the networks of
JPMorgan and at least four other U.S. banks had been infiltrated in
a string of coordinated attacks this month, citing four people
familiar with the investigation.
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The attackers stole large quantities of data, including checking and
savings account information, though their motivation is not yet
clear, according to the Times report, which said several private
security firms have been hired to conduct forensic reviews of
infected networks.
Reuters was not able to independently verify the details in the
Bloomberg and Times reports.
(Reporting by Jim Finkle in Boston and David Henry in New York.
Additional reporting by Mark Hosenball in Washington; Editing by
David Gregorio and Jeremy Laurence)
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