Contact Us

Your comments are important to us and we will address these comments as quickly as possible. We have a significant amount of information available online that may be exactly what you need. We invite you to start by reading the Frequently Asked Questions and About ITAC web pages where many of your questions may already have been addressed.

If you cannot find the answer to your question on any of the pages referred to above, please contact us at:

Canadian Security Intelligence Service
P.O Box 9732
Postal Station T
Ottawa, ON K1G 4G4
Telephone: 613-231-0100
Facsimile: 613-231-0612