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Data Breach Affects 750,000 Canadians' Investment Accounts

Data Breach Affects 750,000 Canadians' Investment Accounts

First seen 16 Jan 2026, 15:10 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A data breach at the Canadian Investment Regulatory Organization (CIRO) impacted the personal information of 750,000 Canadians, including member firms and their registered employees. Following the incident, the regulator has taken steps to enhance its cybersecurity defenses and data security practices to prevent future attacks.

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