Dorchester, Ma.-based Codman Square Health Center is alerting 10,161 patients of a potential data breach following a ransomware attack that took place between Nov. 23 and Nov. 27.
On Jan. 25, the health center determined that the unauthorized party had access to a folder containing the patient's name, date of birth, medical record number, diagnosis and treatment and claim information, according to a Codman notice of data security event release.
The March 1 notice of breach filed with the HSS describes the incident as targeting the health center's network server.
The health center is encouraging patients to remain vigilant against signs of fraud and identity theft.