An information breach suffered final 12 months by Atlanta-based medical enterprise administration firm MCBS (Medical Pc Enterprise Companies) impacts greater than 1.2 million people.
In response to a information breach notification posted on its web site, MCBS was focused by hackers in September 2025.
An investigation confirmed that attackers had entry to its programs between September 22 and September 26, probably stealing information that contained private data comparable to title, handle, SSN, date of start, medical health insurance data, and medical data.
The medical income cycle administration and billing firm’s information breach notification names seven healthcare organizations whose information was compromised on this cyberattack.
The healthcare information breach tracker maintained by the US Division of Well being and Human Companies reveals that the MCBS hack impacts 1,261,464 people.
The PEAR ransomware group took credit score for hacking MCBS in late September 2025, claiming to have stolen greater than 3 TB value of information, together with firm and consumer financials, HR and enterprise operations paperwork, accomplice and vendor information, affected person PII and PHI data, cost particulars, and emails.
The hackers have made out there for obtain the knowledge allegedly stolen from the corporate.
The PEAR ransomware group emerged in mid-2025, and its leak web site at the moment lists greater than 100 alleged victims.
The cybercrime gang has additionally taken credit score for the Motility Software program Options hack, which affected 766,000 folks, and the Tri-Century Eye Care breach, which affected 200,000 folks.
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