Cibiyar Tsaro ta Sadarwa (CSE) wata hukuma ce ta Kanada wacce ke da alhakin tabbatar da tsaron hanyoyin sadarwar lantarki na gwamnatin Kanada da kayayyakin fasahar bayanai. Babban aikin CSE shine shiga tsakani da nazarin hanyoyin sadarwa na waje don manufar samar da hankali ga gwamnatin Kanada. Haka kuma hukumar tana ba da ayyukan tsaro ta yanar gizo ga ma’aikatu da hukumomin gwamnati. CSE tana aiki ƙarƙashin jagorancin Ministan Tsaro na ƙasa kuma tana da alhakin Majalisar Kanada.