Medical Computer Business Services (MCBS) says a 2025 network breach exposed sensitive data belonging to 1,261,464 people, including names, Social Security numbers, medical history, and insurance details. The PEAR ransomware group claimed the attack and alleged it stole 3.3 terabytes of data from MCBS systems. #MCBS #PEARRansomware
Keypoints
- MCBS disclosed a 2025 network breach affecting more than 1.2 million people.
- The exposed data may include personal, insurance, and medical information.
- MCBS is a healthcare billing and practice-management company in Augusta, Georgia.
- Seven covered entities were named as organizations whose patient data MCBS handled.
- The PEAR ransomware group claimed responsibility and said it stole 3.3 terabytes of data.