COMMISSION AGENDA MEMORANDUM BRIEFING ITEM DATE: September 3, 2025 TO: Stephen P. Metruck, Executive Director FROM: Karen Goon, Deputy Executive Director Item No. Date of Meeting 11a September 9, 2025 SUBJECT: Cyberattack Response Briefing EXECUTIVE SUMMARY Staff will provide Commission with an update on recovery efforts from the August 2024 cyber incident and to describe actions being taken because of lessons learned from the event. ATTACHMENTS TO THIS BRIEFING (1) Presentation slides PREVIOUS COMMISSION ACTIONS OR BRIEFINGS N/A Template revised April 12, 2018.