- Security domain
- Intelligence
- What it is
- agency · agency (level 3)
- Founded
- 1946
- Statutory basis
- Communications Security Establishment Act 2019
- Public mandate
- Canada's national cryptologic agency, providing foreign signals intelligence, cyber security and foreign cyber operations.
- Acknowledged by
- Communications Security Establishment Act (statute)
- Active headcount
- 3,841 (2025) official, high confidence
- Headcount source
- CSE Annual Report 2024–2025
- Website
- www.cse-cst.gc.ca
- Identifiers
- factbase.org/org/BH35NTZ509 · Q597935