May 31 (Bloomberg) — Tom Kellermann, chief technology officer at AirPatrol Corp. and a member of U.S. President Barack Obama’s commission on cyber security, discusses the cyber attack reported by Lockheed Martin Corp.   Lockheed, based in Bethesda, Maryland, said it detected a "significant and tenacious attack\u201d on its computer networks on May 21. Kellermann speaks with Betty Liu on Bloomberg Television's "In the Loop." (Source:…