A U.S. defense contractor has announced it has improved remote access security following a breach that disrupted its computer networks, ComputerWeekly reports. Lockheed Martin's "information security team detected the attack almost immediately and took aggressive actions to protect all systems and data," the company said in a statement. The company has also indicated that no personal data has been compromised, the report states. Both Lockheed Martin and security firm RSA have indicated they are examining the attack with federal officials in the wake of speculation it may have been linked to a March breach at RSA.
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