The Department of Defense Cyber Strategy The Department of Defense cyber strategy guides the development of DoD's cyber forces and seeks to strengthen cyber defense and cyber deterrence posture. It focuses on building cyber capabilities and organizations for DoD's three primary cyber missions. SHARE IMAGE: Download Image: Full Size (0.07 MB) Tags: Department of Defense, Leaders, Leaders Photo By: John Kerr VIRIN: 150811-D-ZZ999-006.JPG Photo Gallery