Ontario’s courts have been hit by a cyberattack, which may have exposed personal information for people involved in court systems.
Ontario Chief Justice Michael H. Tulloch, along with Ontario Superior Court Chief Justice Patrick J. Boucher, and Ontario Court of Justice Chief Justice Sharon M. Nicklas, shared a statement on Sept. 2 about the cyberattack, which was spotted by CBC News.
Per the statement, the breach impacted C-Track, an online case management platform owned by Thomson Reuters Canada. The company detected “unauthorized activity within one of its cloud environments” on June 30, 2026, but later determined the breach began in March. Thomson Reuters took steps to contain the activity, bring in cybersecurity experts to investigate, and notify law enforcement.
Further, Thomson Reuters created a dedicated information website with details about the breach, where it notes that “certain confidential, redacted or sealed information may have been impacted for certain affected courts.”
While names and other personal information were potentially accessed, it’s not clear what kind of information or records were exposed. It’s also unclear how far back the records go. Moreover, Thomson Reuters could not provide an estimate of how many Ontarians might be impacted.
Thomson Reuters says it implemented additional cybersecurity measures to protect C-Track systems and data. The company told CBC News that its “products and services remain fully operational and are safe to continue to use.”
Notably, Ontario isn’t the only place impacted. The C-Track breach also impacted court systems in the U.S., including Alabama, Kentucky, Ohio, Montana, Nevada, North Dakota, New Hampshire, South Carolina, Tennessee, Wyoming, and the U.S. Virgin Islands.
A statement by the New Hampshire Judicial Branch says the breach impacted records from between 2002 and 2015, though it’s not clear if the Ontario records are from a similar time period.
Source: Ontario Courts Via: CBC News
Header image credit: Shutterstock
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