Contact CDSE

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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 Knowledge Center.

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

  • CDSE Inclement Weather/Facility Closings: 410-689-7725
  • CDSE Student Inclement Weather: 410-689-7720
  • Academy questions (Internal DSS training): Training.CDSE@dss.mil
  • Counterintelligence:
  • Cybersecurity: cybersecurity.training@dss.mil
  • Education Division: CDSE.Education@dss.mil
  • General CDSE questions or concerns:
  • General Security questions:
  • Industrial Security questions:
  • Information Security questions:
  • Information Systems Security:
  • JPAS training inquiries questions:
  • Physical Security questions:
  • Personnel Security questions:
  • Registrar/registration issues:
  • Special Access Program Security questions:
  • SPēD Certification Program questions: SPEDCERT@dss.mil
  • STEPP username/password issues: Knowledge Center
  • Comments/Concerns/Complaints

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 cdse@dss.mil describing the specific information you are requesting. Your request will be forwarded to the appropriate authority for response.