(Adds details, background, paragraphs 4, 7-8)
WASHINGTON May 28 Lockheed Martin Corp
(LMT.N), the world's biggest aerospace company and the
Pentagon's No. 1 supplier by sales, has been hit by an
unspecified cyber incident, the U.S. government said on
The Department of Homeland Security said it and the Defense
Department had offered to help gauge the scope of a "cyber
incident impacting LMCO," as the maker of fighter jets, ships
and other major weapons systems is known.
The U.S. government also has offered to help analyze
"available data in order to provide recommendations to mitigate
further risk," Chris Ortman, a Homeland Security official, said
in an e-mailed reply to a query from Reuters.
It was not immediately clear what kind of data, if any, was
stolen by the hackers. But military contractors' networks
contain sensitive data on arms that are under development as
well as technology used by U.S. forces in Iraq and
A person with direct knowledge told Reuters on Friday that
unknown attackers had broken into sensitive networks of
Lockheed Martin and several other U.S. military contractors.
They breached security systems designed to keep out
intruders by creating duplicates to "SecurID" electronic keys
from EMC Corp's EMC.N RSA security division, said the person,
who was not authorized to discuss the matter publicly.
Lockheed Martin did not immediately respond to a request
for comment on the government statement. The Defense Department
did not respond to a request for comment earlier on Saturday.
U.S. officials may get involved in investigating a cyber
breach at a company's request. The Homeland Security
Department, for instance, can deploy a team to analyze infected
systems, develop mitigation strategies, advise on efforts to
restore service and make recommendations for improving overall
(Reporting by Jim Wolf, editing by Will Dunham)