Services and information
The Communications Security Establishment Canada is Canada’s agency responsible for foreign signals intelligence, cyber operations, and cyber security.
We gather foreign signals intelligence to defend Canada’s national security. We keep the Government of Canada’s information secure. We work with industry and academia to protect Canadians from cyber threats.
Cyber security
Learn about CSE’s cyber security activities
Foreign intelligence
Learn about CSE’s foreign signals intelligence activities
Cyber operations
Learn about CSE’s foreign cyber operations
Assistance to federal partners
Learn about CSE’s role in assisting federal defence partners
Research at CSE
Learn about research taking place at CSE
