U.S. Marine Corps Sgt. Thane Murphy, intelligence analyst, and Sgt. Victor Navarro, right, cyber warfare operator, Defensive Cyberspace Operations Internal Defensive Measures, and U.S. Army Capt. William McKinnon, center, cyber mission element lead, Florida Army National Guard, conduct defensive cyber operations during exercise Southern Defender 25 in Augusta, Georgia, May 6, 2025. SD 25 is a defensive cyberspace operations focused exercise designed for the U.S. and Allies and partners to collectively strengthen cyberspace awareness, exercise joint all domain operations and counter harmful actors while building multi-lateral capacity. (U.S. Marine Corps photo by Sgt. Samuel Qin)