By Rich Heidorn Jr. Two cybersecurity firms on Monday disclosed what may be the most dangerous cyber threat yet to U.S. power systems: malware that can take...

Last month's GridEX II security drill was a valuable test of PJM’s emergency response procedures but lacked in realism, participants said.

More than 1,800 people from 200 industry and government organizations, including PJM, took part in NERC’s 2-day cyber and physical security drill Nov 13-14.

How PJM Interconnection practices cyber security. An attack is a question of when, not if, says an RTO official.