All ransomware incidents
Ransomware group Deadlock hits Summa4
Summa4 — a not found target operating in ES has been listed by the Deadlock ransomware group on 2026-06-12. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Summa4 |
|---|---|
| Threat Group | Deadlock |
| Summary | SUMMA 4 Asesores Legales y Tributarios is a Madrid-based firm specializing in legal and tax advisory for businesses and high-net-worth individuals. Established in 2008, the firm provides tailored strategies in tax, commercial, and labor law, with a particular focus on family businesses and family offices. |
| Date of Breach | 2026-06-12 |
| Discovery Date | 2026-06-15 |
| Region | ES |
| Target Domain | summa4.es |
| Business Sector | Not Found |
| Severity | MEDIUM |
Claim by Deadlock
SUMMA 4 Asesores Legales y Tributarios is a Madrid-based firm specializing in legal and tax advisory for businesses and high-net-worth individuals. Established in 2008, the firm provides tailored strategies in tax, commercial, and labor law, with a particular focus on family businesses and family offices.
Posted by the Deadlock threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Disclaimer
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