In the latest cybersecurity news, Middlesex Endodontics — a company operating in the US — has fallen victim to a ransomware attack conducted by the group sinobi. This data breach, discovered on 2025-11-11 00:58:10.362636, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Middlesex Endodontics |
| Threat Group | sinobi |
| Summary | Middlesex Endodontics is conveniently located in Burlington and Winchester, MA. Our experienced team of endodontists and staff is dedicated to providing the highest level of professional care for our patients. Besides routine endodontics (root canals), our services also include: Pediatric endodontics, Post removal and retreatment, Endodontic surgery, and Implants. EXPERIENCE For over 40 years our practice has worked together with area dentists to provide the best overall dental care. Supporting our 5 endodontists is an experienced staff –many members of which have been with us for over 15 years, with several over or approaching the 25 year mark. We do not believe any patient should have to wait with pain and discomfort. We offer same day emergency appointments and we also like to accommodate busy schedules with expanded hours for scheduled appointments including evenings and Saturdays. |
| Date of Breach | 2025-11-09 20:15:50.791000 |
| Discovery Date | 2025-11-11 00:58:10.362636 |
| Region | US |
| Target Domain | www.middlesexendodontics.com |
| Business Sector | Healthcare |
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free Data Breach Checker.
Disclaimer: HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.


