Ransomware group
Cephalus ransomware: victims and leak site activity
The Cephalus ransomware group has listed 19 victims on its leak site since August 2025; its latest post is from 29 August 2025. Most affected countries: United States, United Kingdom and Ireland. Most targeted sector: Professional Services.
Total posts
19
First seen
2025-08-26
Latest post
2025-08-29
Countries hit
5
About Cephalus
Cephalus is a ransomware group active from mid-2025 that leverages stolen RDP credentials to deploy a Go-based ransomware payload via DLL sideloading, targeting law firms, healthcare, financial services, and IT firms across the US and Japan with 19 known victims.
- Leak site
- http://46.17.42.64
Most targeted countries
- United States 13
- United Kingdom 2
- Ireland 1
- Japan 1
- Netherlands 1
Most targeted sectors
- Professional Services 7
- Healthcare 5
- Financial Services 2
- Technology 2
- Government & Defense 1
- Manufacturing 1
- Retail & E-Commerce 1
Cephalus victims per year
All 19 victims
Search every post in the full table.| Victim | Country | Sector | Discovered |
|---|---|---|---|
| One-LUX | United Kingdom | Retail & E-Commerce | |
| Shropdoc | United Kingdom | Healthcare | |
| Shelbourne Accountants | Ireland | Financial Services | |
| Delta Information Systems | United States | Technology | |
| Colorado Health Network Inc | United States | Healthcare | |
| Texas Pregnancy Care Network | United States | Healthcare | |
| wilderlawfirm | United States | Professional Services | |
| CoCo Yachts | Netherlands | Manufacturing | |
| txpregnancy.org - Fake Abortion Clinics Exposed | United States | Healthcare | |
| Town of Vienna, VA | United States | Government & Defense | |
| Lewis Baach Kaufmann Middlemiss PLLC | United States | Professional Services | |
| Lee & Associates | United States | Professional Services | |
| Sherman, Silverstein, Kohl, Rose & Podolsky, P.A. | United States | Professional Services | |
| Guerrero Mears LLP | United States | Professional Services | |
| LPL Financial | United States | Financial Services | |
| K Strategies Marketing and Public Relations | United States | Professional Services | |
| BAR Architects & Interiors | — | Professional Services | |
| SystemExec Co., Ltd. | Japan | Technology | |
| CareSTL Health | United States | Healthcare |