BayMark Health Services sends breach notifications after ransomware attack | Malwarebytes

BayMark Health Services, a large provider of medication-assisted treatment for substance use disorders, experienced a ransomware attack in October 2024. The RansomHub ransomware group claims to have exfiltrated 1.5 terabytes of sensitive data, including patient names, SSNs, and treatment information, and published it on their leak site after BayMark refused to pay the ransom. BayMark is advising affected patients to take precautions, including changing passwords and enabling two-factor authentication.