NERC Issues Emergency Grid Alert Following Iran-Linked PLC Attacks; E-ISAC Coordinates with Energy Sector

NERC issued an emergency alert through the E-ISAC to North American power grid operators following CISA's April 7 advisory on Iranian APT exploitation of PLCs. NERC's Watch Operations team is "actively monitoring the grid" while coordinating with DOE and the Electricity Subsector Coordinating Council. The alert urged industry to lower reporting thresholds for suspicious cyber or physical security activity, a direct response to the IRGC-affiliated CyberAv3ngers campaign that has already caused operational disruption and financial losses at energy and water utilities.