Sean is just this guy you know. Sean's career in the InfoSec field began as a network defender in the USAF where he later transitioned to an attacker role with an aggressor squadron. After leaving the Air Force he has spent most of his career developing tools and techniques for intrusion detection for both DoD and private companies. He moved to the Bay Area as an early member of Mandiant's Redwood City SOC focusing on advanced detection methods and now works at Yahoo! working on projects such as GRR for effective intrusion detection and response.