CYBERWAR UPDATE: Cyber attack forces ORNL to shut down Internet access; experts probing Advanced Persistent Threat. “A highly sophisticated cyber attack — known as Advanced Persistent Threat or APT — forced Oak Ridge National Laboratory to shut down all Internet access and email systems over the weekend. Those restrictions will remain in place until lab officials and others investigating the attack are sure the situation is well controlled and manageable, ORNL Director Thom Mason said today.”