BETHESDA, Md., May 28, 2011 /PRNewswire-FirstCall/ -- On Saturday, May 21, Lockheed Martin (NYSE: LMT) detected a significant and tenacious attack on its information systems network.  The company's information security team detected the attack almost immediately, and took aggressive actions to protect all systems and data.  As a result of the swift and deliberate actions taken to protect the network and increase IT security, our systems remain secure; no customer, program or employee personal data has been compromised.  

Throughout the ongoing investigation, Lockheed Martin has continued to keep the appropriate U.S. government agencies informed of our actions.  The team continues to work around the clock to restore employee access to the network, while maintaining the highest level of security.  

To counter the constant threats we face from adversaries around the world, we regularly take actions to increase the security of our systems and to protect our employee, customer and program data.  Our policies, procedures and vigilance mitigate the cyber threats to our business, and we remain confident in the integrity of our robust, multi-layered information systems security.

Headquartered in Bethesda, Md., Lockheed Martin is a global security company that employs about 126,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The Corporation's 2010 sales from continuing operations were $45.8 billion.

SOURCE Lockheed Martin