Contact CDSE

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Mailing Address

What is CDSE's postal address?

938 Elkridge Landing Road
Linthicum, MD 21090

STEPP (Learning Management System) Help Desk

I have a question about accessing/taking a course, viewing my transcript, or am experiencing a technical difficulty or other issue related to the STEPP learning management system.
Submit an online support request ticket external link icon or call the Help Desk at 202-753-0845 within the Washington, DC area or toll free at 833-200-0035 on weekdays from 8:30 a.m. to 6:00 p.m. Eastern Time.

508 Compliance and Accessibility

I have questions or concerns about CDSE accessibility.

Certification Division

I have a question related to SPēD Certification.

Education Division

I have a question about CDSE's curriculum of advance and graduate courses or Education Certificates.

Training Division

I have a question related to a specific subject matter (e.g., counterintelligence, insider threat, etc.).


I have a suggestion on how to improve or enhance the CDSE website or I would like to report a broken link or other issue with a page.
Provide feedback via this survey or email

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