CDSE Insider Threat (The Enemy Within)

View the recording that does not include a downloadable CDSE Certificate of Training.

Date: December 13, 2023

Description: This webinar is a case briefing of Ethan Melzer, a U.S. Army soldier arrested and sentenced to 45 years for attempting to murder fellow U.S. service members, providing and attempting to provide material support to terrorists, and illegally transmitting national defense information. Melzer planned a jihadist attack on his U.S. Army unit in the days leading up to a deployment to Turkey and sent sensitive details about the unit to members of the extremist organization Order of the Nine Angles (O9A), a white supremacist, neo-Nazi, and pro-jihadist group.

Length: 90 minutes

Target Audience: Insider Threat Professionals

System Requirements: CDSE Webinars on

Notes: For the webinar slides, select the following:
 Webinar Slides

POC: The DSS email address shown within this recorded webinar has changed. Please contact with questions or comments.

CDSE courses are intended for use by Department of Defense and other U.S. Government personnel and contractors within the National Industrial Security Program.