Operating and hardening the Defense Department’s networks is a highly complex undertaking. Training and retaining the workforce, keeping up with a constantly changing environment of technology and emerging capabilities and threats are continuous challenges not just for the Army, but also for all the services. Lt. Gen. Maria Barrett, commanding general of Army Cyber Command, discusses how Army Cyber forces are working globally to secure networks, responding to the needs of the warfighter and preparing for the future of cyber warfare.