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MCBS Breach Exposes Medical Data of 1.26 Million People
Coverage from Rescana, SecurityWeek, and others
Articles
10
Days Since Update
1
The Story
Medical Computer Business Services (MCBS), a Georgia-based medical billing and practice-management provider, disclosed a network breach affecting 1,261,464 people. The incident involved patient data handled for multiple healthcare organizations and may have exposed personal identifiers, insurance details, and medical information. The scale and sensitivity of the data create risks of identity fraud and privacy harm, while some details of the intrusion and any claimed data leak remain unverified.
First Article: 07/28/26
Latest Article: 07/31/26
The Bigger Picture
Articles in this story are part of a shaping these topics.
NYC Health + Hospitals Breach Exposed 1.8 Million Records
NYC Health + Hospitals reported a breach affecting at least 1.8 million people after attackers accessed systems from November 2025 through February 2026 via an unnamed third-party vendor.
Healthcare Data Breach Wave
Healthcare breaches remain the dominant pattern, with hospitals, clinics, and medical service providers repeatedly disclosing unauthorized access to patient data.
Large-Scale Personal Data Breaches
Origin Energy reported unauthorized access affecting about 900,000 current and former customers, while an alleged attacker claimed a larger victim count.
Articles
07-31-2026
Almeida Law Group
Medical Computer Business Services disclosed on July 30, 2026, that a September 2025 ransomware incident in Augusta, Georgia, affected 1,261,464 people across multiple states.
07-30-2026
Paubox / Mara Ellis
Medical Computer Business Services reported in June 2026 that a September 2025 network intrusion potentially exposed healthcare information for 1,261,464 individuals.
07-29-2026
Rescana
Medical Computer Business Services disclosed in June 2026 that a September 2025 ransomware intrusion in Augusta, Georgia, affected 1,261,464 people.
07-29-2026
Becker's Hospital Review / Giles Bruce
MCBS disclosed in 2026 that a September 2025 network breach exposed personal and health information of 1.26 million people connected to healthcare clients in Georgia and elsewhere.
07-28-2026
FRPA Fraud Viewer
MCBS reported a September 2025 cyberattack in Atlanta that potentially exposed Social Security numbers and medical data for 1,261,464 individuals.
07-28-2026
BleepingComputer / Bill Toulas
Medical Computer Business Services reported a PEAR-attributed 2025 network breach impacting 1,261,464 people in Georgia, including exposure of health and identity data.
07-28-2026
HIPAA Guide / Liam Johnson
MCBS reported a data breach impacting about 1.26 million patients, raising privacy concerns about potential exposure of patient health information.
07-27-2026
SecurityWeek / Eduard Kovacs
MCBS reported a PEAR-attributed ransomware breach affecting 1,261,464 people in late September 2025, exposing Social Security numbers and medical information.
07-27-2026
COE Security
Medical Cost Benefit Services (MCBS) disclosed a data breach affecting about 1.2 million individuals, raising concerns about healthcare cybersecurity across integrated third-party ecosystems.