Data breach at Canada’s Investment Watchdog Canadian Investment Regulatory Organization impacts 750,000 people

Securityaffairs.Co •Pierluigi Paganini • January 16, 2026

A data breach at Canada’s investment watchdog, Canadian Investment Regulatory Organization (CIRO), impacted 750,000 people. The Canadian Investment Regulatory Organization (CIRO) is Canada’s national self-regulatory body overseeing investment dealers and marketplaces, protecting investors, enforcing compliance, and maintaining fair, efficient capital markets. CIRO announced that threat actors stole personal data of 750,000 people in an […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Data Breach Affects 750,000 Canadians' Investment Accounts 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. 3 sources 43

Extracted Entities

Data breach at Canada’s Investment Watchdog Canadian Investment Regulatory Organization impacts 750,000 people

The full story

Extracted Entities

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