Maryhaven, Inc.
May 30, 2024
•[ data leak, healthcare, unauthorized access ]
Maryhaven, a behavioral health and addiction treatment provider in Ohio, detected unauthorized access to its systems on June 1 2024. An unknown actor accessed and exfiltrated patient and employee PHI/PII data (~7,000 records). No encryption or operational disruption occurred. Disclosure issued April 11 2025 through Cyberscout/TransUnion.
