CIRO — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
January 14, 2026
Last Seen
January 19, 2026

Related Threat Clusters

  • 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…

    3 articles · Updated January 16, 2026
  • CIRO Data Breach Exposes Information of 750,000 Investors

    The Canadian Investment Regulatory Organization (CIRO) experienced a data breach affecting 750,000 investors. Hackers accessed sensitive personal information, although passwords and PINs were not compromised. CIRO is…

    2 articles · Updated January 19, 2026
  • CIRO Cyberbreach Affects 750,000 Canadian Investors

    The Canadian Investment Regulatory Organization (CIRO) reported that a cyberbreach in August 2025 affected 750,000 investors. The compromised data may include sensitive personal information such as birth dates, phone…

    11 articles · Updated January 15, 2026

Recent Intelligence Reports

  • Huge data breach reveals info on 750000 investors — Techradar · January 19, 2026
  • 750,000 Impacted by Data Breach at Canadian Investment Watchdog — Feeds.Feedburner · January 16, 2026
  • CIRO says 750K investors affected by August cyberbreach — Investmentexecutive · January 15, 2026
  • CIRO reveals the extent of last summer's data breach — Wealthprofessional.Ca · January 14, 2026
  • Securities regulator data breach affects 750K investors — Thestar · January 14, 2026

CVSS v3.1 Breakdown