Behavioral Health Partners of Metro West (BHPMW) notified the New Hampshire Attorney General of a cybersecurity incident affecting its network. An unknown actor gained unauthorized access between September 14-18, 2021. BHPMW discovered the breach on October 1, 2021. Approximately 45 New Hampshire residents were affected, with data including names, SSNs, DOB, and medical/insurance info. BHPMW engaged forensic experts, notified the FBI, and offered 24 months of credit monitoring to affected individuals.