West Publishing Corporation (Thomson Reuters Court Management Solutions) notified courts that an unauthorised party obtained files from the C-Track appellate case-management platform in March 2026; activity was discovered 30 June 2026.

The Supreme Court of Ohio public statement says ten of twelve Ohio Courts of Appeals use C-Track hosted by the Court and managed by TRCMS; the 8th and 10th districts do not and are unaffected; TRCMS told the Court on 31 August 2026 that unauthorised access hit the production platform. The TRCMS C-Track notification lists the affected courts, including the U.S. Virgin Islands Supreme and Superior Courts and the Wyoming Judicial Branch; a subset of records could include names, Social Security numbers, driver’s licence numbers, dates of birth, medical and health-insurance information; certain confidential, redacted or sealed information may have been impacted for some courts; C-Track says it has no evidence of fraud or misuse to date and offers complimentary Experian monitoring via engagement B171847. (source: TRCMS C-Track notification)

Correction (02 Nov 2026): removed The Hacker News as a source; removed details no other source gives. (source: Supreme Court of Ohio; TRCMS C-Track notification)