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Listed on a ransomware leak site

First Dental Health

firstdentalhealth.com

First Dental Health was listed on the The Gentlemen leak site on Oct 16, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Healthcare
Updated continuously · figures as of Oct 19, 2026
Claimed by
The Gentlemen
First listed
Oct 16, 2026
Claims recorded
1

Leak-Site Claim.

The GentlemenConfirmed claim
Posted on the leak site
Oct 16, 2026
Collected by Brandefense
Oct 17, 2026
Data claimed
Not stated
Leak-site post text, written by the group
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…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.