https://www.cbc.ca/news/politics/csis-foregin-intelligence-canadians-1.5890500

Secretive CSIS technology that could reveal 'lifestyle choices' needs a warrant, says court

Details of what exactly the technology is and how it's used were redacted in Federal Court's decision

Catharine Tunney · CBC News · Posted: Jan 27, 2021

Canada's spy agency needs a warrant when using a secretive type of technology that could help them "learn about an individual's private activities and personal choices" as part of its foreign intelligence gathering mandate, according to a recent Federal Court decision.