Player Embed Code: Download Embed Share Defense Information Systems Agency Director Delivers Keynote Address for Armed Forces Communications and Electronics Association TechNet Cyber 2020 Defense.gov Dec. 1, 2020 | 21:55 Navy Vice Adm. Nancy A. Norton, director of the Defense Information Systems Agency and commander of the Joint Forces Headquarters Department of Defense Information Network, delivers the opening and keynote address for the virtual AFCEA TechNet Cyber 2020, Dec. 1, 2020. TechNet Cyber is a forum for military, industry and academia to discuss and plan new strategies to build resilience and defend networks.