A data breach last year at Central Maine Healthcare (CMH) exposed sensitive information of more than 145,000 individuals.
The hackers persisted on the organization's systems for more than two months last year, between March 19 and June 1, when CMH discovered the intrusion.
The CMH integrated healthcare delivery system serves at least 400,000 people and manages hospitals like Central Maine Medical Center (CMMC), Bridgton Hospital, and Rumford Hospital.
Although the organization started notifying affected individuals almost immediately and continued to do so as the investigation advanced and revealed new impacted individuals. The analysis was completed on November 6, 2025, bringing the total number to 145,381.
According to the notification letter, the hackers may have accessed data belonging to CMH patients as well as current and former employees.
On December 29, CMH published a statement informing that the security incident exposed the following data types, which may vary per individual:
Full names
Dates of birth
Treatment information
Dates of service
... continue reading