Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/662047'></iframe> Download Embed Share Defense Officials Testify on Cyber Threats Defense.gov Feb. 26, 2019 | 01:24:03 Dana Deasy, the Defense Department’s chief information officer; Lisa Hershman, acting DOD chief management officer; and Marine Corps Brig. Gen. Dennis Crall, deputy principal cyber advisor for DOD, testify at a hearing of the House Armed Services Committee’s information technology, cybersecurity and information assurance subcommittee, Feb. 26, 2019.