NERC conducted its second industry-wide grid security exercise, GridEx II, on November 13 and 14, 2013. The exercise brought together NERC, industry, and government agencies, as well as participants from Canada and Mexico. GridEx is an example of industry’s ongoing efforts on cyber and physical security. It was the largest, most comprehensive effort addressing security by the electricity industry to date and serves as an example of the commitment of stakeholders to continuously improve cyber and physical security.