West Publishing Corporation (Thomson Reuters; C-Track)
March 1, 2026
An unauthorized party obtained files from West Publishing Corporation's C-Track court case-management environment in March 2026. West Publishing detected unauthorized activity June 30, 2026. Compromised records originated from courts in multiple U.S. states, the U.S. Virgin Islands, and Ontario, Canada; the incident occurred within the vendor environment rather than separate breaches of each court network. C-Track reported no operational disruption and no confirmed fraudulent use of the data.