The COMSEC Communications security (COMSEC) is the discipline of preventing unauthorized access to telecommunications information in readable form, while still delivering the information to the intended recipients. COMSEC is comprised of multiple disciplines such as Cryptographic security, EMSEC (Emission security), Transmission security, and Physical security.
Installation Planning – Guidance and Criteria (ITSG-11) has been superseded by Information Technology Security Emission Security The measures taken to reduce the risk of unauthorized interception of unintentional emissions from information technology equipment that processes classified data.
(EMSEC See emission security.
) Guidance (ITSG-11A) March 2025 which is a Protected publication, issued under the authority of the Chief, Communications Security Establishment (CSE).
To access, or obtain, a copy of the publication, please visit the COMSEC User Portal (CUP) or contact your departmental COMSEC Custodian.
For any further information, please contact the Canadian Centre for Cyber Security The protection of digital information, as well as the integrity of the infrastructure housing and transmitting digital information. More specifically, cyber security includes the body of technologies, processes, practices and response and mitigation measures designed to protect networks, computers, programs and data from attack, damage or unauthorized access so as to ensure confidentiality, integrity and availability.
contact centre.
Email: contact@cyber.gc.ca
Toll Free: 1-833-CYBER-88 (1-833-292-3788)
