Contact CDSE

The Center for Development of Security Excellence (CDSE) is located at:

938 Elkridge Landing Road
Linthicum, MD 21090

If encountering a specific problem with STEPP, please contact the DoD Security Services Center.

If your question or concern references a specific CDSE community practice, or course content, please use the following email addresses:

If you are seeking a point of contact for a specific area of security and are unsure of who to contact, send a message to CDSE at describing the specific information you are requesting. Your request will be forwarded to the appropriate authority for response.