Please be advised that training on this site will be unavailable from 6:00AM until 5:00PM EST on Saturday, March 17, 2012, due to scheduled maintenance.

This page contains links to web-based training provided by the Center for Development of Security Excellence (CDSE), Defense Security Service, United States Department of Defense. Additional online and instructor-led courses are available from CDSE. The CDSE catalog provides a complete listing of available courses. The Catalog is available at http://www.dss.mil/cdse/catalog/.

• Cybersecurity Awareness
• Derivative Classification
• Thwarting the Enemy: Providing Counterintelligence and Threat Awareness to the Defense Industrial Base
• OPSEC Awareness for Military Members, DoD Employees and Contractors