Quinton L. Hiebert CPA, PC, an accounting firm in Mustang, OK, reported an external system breach (hacking) that occurred on July 4, 2025 and was discovered on August 19, 2025. A total of 937 individuals were affected, including 1 Maine resident. Written notifications were sent on March 20, 2026. Affected individuals were offered 12 months of Cyberscout credit/identity monitoring and theft restoration assistance.
Affected (this filing): 1