About us

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CSE is authorized to acquire and use information from the global information infrastructure for the purpose of providing foreign intelligence, in accordance with Government of Canada intelligence priorities.

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CSE provides advice, guidance and services to help ensure the protection of electronic information and of information infrastructures of importance to the Government of Canada.

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CSE is authorized to provide technical and operational assistance to federal law enforcement and security agencies in the performance of their lawful duties.

CSE is Canada's national cryptologic agency. Unique within Canada's security and intelligence community, CSE employs code-makers and code-breakers to provide the Government of Canada with information technology security (IT Security) and foreign signals intelligence (SIGINT) services. CSE also provides technical and operational assistance to federal law enforcement and security agencies.