The incident, detected on June 30, impacted the C-Track Canada system, exposing files from three Ontario courts. The breach potentially includes individuals' names, personal information, and confidential or sealed data. In the US, appellate courts in 11 states and the US Virgin Islands were also affected, along with West Publishing Corporation, a Thomson Reuters subsidiary. Affected US court records may contain names, Social Security numbers, driver's license numbers, medical information, dates of birth, and health insurance details.