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National Security Tip Line
- To report information regarding activities which could pose a threat to national security, please call 1-800-420-5805.
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Intelligence Officer
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Welcome to the Canadian Security Intelligence Service

The Canadian Security Intelligence Service (CSIS) plays a leading role in protecting the national security interests of Canada by investigating and reporting on threats to the security of Canada. Guided by the rule of law and the protection of human rights, CSIS works within Canada’s integrated national security framework to provide advice to the Government of Canada on these threats.
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