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Ransomware Group thegentlemen Hits: First Dental Health

Admin
HookPhish team
Target organization First Dental Health firstdentalhealth.com Healthcare

Summary

In the latest cybersecurity news, First Dental Health — an organization based in US — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-10-17T16:52:17.759581+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.

Incident Report

Attribute Information
Target Organization First Dental Health
Threat Group thegentlemen
Summary firstdentalhealth.com First Dental Health, Inc. dental consulting company founded in 1995 and based in Sacramento, California. It is led by Chairman and CEO Michael Zhang together with founder Dr. Rick Kershner, a periodontist who previously worked with Western Dental, Coast Dental and Pacific Dental Services. The company transforms existing dental practices of 40 to 250 chairs through leadership development, culture building and operational excellence, typically raising performance by 40 to 80 percent within 2 to 4 years. Its flagship case is Sacramento Dentistry Group, which grew from around 330000 dollars monthly revenue in 2014 to roughly 640000 dollars by 2023. It also runs a DSO consolidation model that merges 6 to 10 practices under one brand with owners keeping equity and a 3 to 7 year exit path. The team has built 14 companies that made the Inc. 5000 list, positioning it as a small but high-impact operator in US dental business consulting.
Date of Breach 2026-10-16T17:09:05+00:00
Discovery Date 2026-10-17T16:52:17.759581+00:00
Region US
Target Domain firstdentalhealth.com
Business Sector Healthcare

 

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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.

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