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2026 Minnesota Judicial Branch — Thomson Reuters C-Track vendor backup breach (appellate users)

2026 Unknown records affected Share on X

Data compromised

Appellate case-management user data from backup sets (case documents/orders/briefs/addenda not included per MN courts); some private information may be present; review ongoing

Technical writeup

Verified Minnesota Judicial Branch public notice — September 2, 2026. Appellate courts (Supreme Court, Court of Appeals) plus Tax Court and Court of Administrative Hearings were impacted by the Thomson Reuters C-Track vendor breach already cataloged (March 2026 file theft / June 30 detection). Impacted data came from backups provided to Thomson Reuters for support—not live court networks. Case documents were not included. Users required to change passwords. Count TBD; recordsAffected 0; companyConfirmed true for MN victim impact.

Root cause

Vendor Thomson Reuters C-Track / Court Management Solutions security incident involving backup data provided for support; Minnesota appellate/executive courts impacted; court networks themselves not compromised

References