[SINOBI] – Ransomware Victim: Middlesex Endodontics

AI Generated Summary of the Ransomware Leak Page

On November 9, 2025, a leak post attributed to the Sinobi ransomware group identified Middlesex Endodontics as a victim. The entry labels the clinic by name and presents a general profile of the healthcare practice rather than technical breach details. Middlesex Endodontics is described as an established provider offering a range of endodontic services, including root canal therapy, pediatric endodontics, retreatment, endodontic surgery, and implants, with same-day emergency appointments and extended hours. The post notes the practice operates at two locations in Massachusetts, but exact street addresses are redacted to protect PII. The data does not clearly indicate whether encryption occurred or data exfiltration took place, and no ransom amount is disclosed. A claim URL is present on the leak page, though the linked content is not detailed in the provided data. The post date is the publication date: November 9, 2025.

From the available data, there are no images, screenshots, or downloadable files accompanying the leak entry (no media is listed). The page language appears in English, and any emails, phone numbers, or street addresses have been redacted, while the victim name remains intact. The text centers on the clinic’s services, history, and business profile rather than technical breach specifics, with the attacker label (Sinobi) noted and a claim URL present for further information. No explicit ransom figure or encryption status is disclosed in the supplied data. The post date, used as the reference point for the leak, is November 9, 2025.