Canadian Security Intelligence Service
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Backgrounder Series

The CSIS Backgrounder Series offers information about key aspects of the Canadian Security Intelligence Service’s (CSIS) mandate and activities. Its goal is to broaden understanding of the Service’s role in protecting national security interests and the safety of Canadians.

All CSIS publications are available in alternative formats (large print, audio cassette, Braille, computer diskette or compact disk) in French and English by calling (613) 231-0100 or the TTY number at (613) 991-9228. Requested documents will be produced in the format selected and mailed directly to the caller.