Measures and controls taken to deny unauthorized persons information derived from telecommunications and to ensure the authenticity of such telecommunications. COMSEC includes cryptosecurity, transmission security, emission security, traffic-flow security. and physical security of COMSEC material.

The NASA Headquarters COMSEC program is responsible for providing safe, secure communication methods to Headquarters users in support of NASA programs. The most common secure device used at Headquarters is the Secure Terminal Equipment (STE). The STE is an encrypted telephone communications system for wired or landline communications.

The Headquarters COMSEC Account Managers oversee COMSEC-related activities within Headquarters to ensure compliance with National-level COMSEC security doctrine, and that COMSEC materials entrusted to Headquarters users are being properly safeguarded and controlled.

For more information on this service, contact the COMSEC Account Manager below.