Lockheed Martin fends off IT network attack

Top US defence contractor, Lockheed Martin, said that it had successfully warded off "a significant and tenacious" attack on its information systems network.

Significant

"Lockheed Martin detected a significant and tenacious attack on its information systems network," a company statement said.

"As a result of the swift and deliberate actions taken to protect the network and increase IT security, our systems remain secure," Lockheed Martin said.

Headquartered in Bethesda, a Maryland suburb of Washington, Lockheed Martin employs about 126,000 people around the world. It focuses on design, development and manufacturing of advanced research systems, including some of the most advanced weaponry.

The world's largest defence contractors

It is one of the world's largest defence contractors, with about 74 per cent of its earnings in 2009 coming from military sales, according to published reports.

The company is a primary developer of stealth innovation used in U-2 and SR-71 reconnaissance aircraft, the F-117 fighter jet as so then as the F-22 and F-35 designs.

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