Toronto Crime Stoppers froze its operations late on 21 October, hours after CBC reporting showed that more than 1.5 million tips submitted to Crime Stoppers chapters across Canada had been exposed in a data breach and provided to journalists by the transparency collective Distributed Denial of Secrets in March. CBC reached more than a dozen tipsters from the data; about half of the 1.5 million tips it reviewed, some of them 25 years old, contained personal information. Chapters had confirmed the breach in the days after the intrusion but gave no detail about what was exposed, blaming vendor Navigate360 and its subsidiary P3 Global Intel. Toronto's chapter broke ranks with the national association, published a timeline of what it knew and when, and told Navigate360 to stop taking tips and processing new information. Chair Sean Sportun said the promise of anonymity had been broken for some tipsters.

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