As Lockheed Martin works to bolster its defenses against cyber attacks, adversaries are eying the company's supply chains, corporate executives said this week. Chandra McMahon, Lockheed Martin's vice president and chief information security officer for enterprise business services, said adversaries are focusing more on the supply chain to steal information for use in attacks on Lockheed. These adversaries have been successful, leading Lockheed to extend some initiatives to help its suppliers improve their cyber resilience, McMahon said Monday at the...