Services and information
The Communications Security Establishment 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.
Learn about CSE’s cyber security activities
Learn about CSE’s foreign signals intelligence activities
Learn about CSE’s foreign cyber operations
Learn about CSE’s role in assisting federal defence partners