Sean O'Connor

Sean O'Connor is a cybersecurity executive specializing in threat intelligence and cybercrime investigations, a SANS instructor, and the lead author of FOR589: Cybercrime Investigations. He serves as Director of the Digital Defense Center at Southern Company, where he leads enterprise cyber defense for one of the largest energy providers in the United States. With more than 18 years of experience spanning the U.S. Army, the Department of Defense, Dell Technologies, KPMG, and Equinix, he focuses on applying intelligence tradecraft to investigate and counter modern cyber threats. He also hosts the SANS Threat Analysis Rundown (STAR), where he translates adversary activity into practical insights.