All ransomware incidents
Ransomware group thegentlemen hits Multipla Contabilidade Empresarial
Multipla Contabilidade Empresarial — a professional services target operating in BR has been listed by the thegentlemen ransomware group on 2026-09-14. 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 | Multipla Contabilidade Empresarial |
|---|---|
| Threat Group | thegentlemen |
| Summary | contabilmultipla.com.br Multipla Contabilidade Empresarial family accounting firm from Piracicaba, São Paulo state, operating since 1990 — legal entity MULTIPLA CONTABILIDADE EMPRESARIAL S/S LTDA (CNPJ 05.145.683/0001-99, founded 01/07/2002, capital R$700,000, Simples taxpayer), owned and run by husband-and-wife team Renata Nunes Albino Semmler (accounting director, 35+ years in the profession) and Charles Semmler, with the second generation (Beatriz & Eduardo Albino Semmler) joining family firms in 2026. Services: industry-specialized accounting (services, commerce, industry, healthcare, construction, agribusiness), BPO financial outsourcing (spun into Multipla Gestão Financeira, 2022), company formation & legalization, tax planning & revision, and full payroll/HR (eSocial, DCTFWeb). Team of ~15–20 |
| Date of Breach | 2026-09-14 |
| Discovery Date | 2026-09-15 |
| Region | BR |
| Target Domain | contabilmultipla.com.br |
| Business Sector | Professional Services |
| Severity | MEDIUM |
Claim by thegentlemen
contabilmultipla.com.br Multipla Contabilidade Empresarial family accounting firm from Piracicaba, São Paulo state, operating since 1990 — legal entity MULTIPLA CONTABILIDADE EMPRESARIAL S/S LTDA (CNPJ 05.145.683/0001-99, founded 01/07/2002, capital R$700,000, Simples taxpayer), owned and run by husband-and-wife team Renata Nunes Albino Semmler (accounting director, 35+ years in the profession) and Charles Semmler, with the second generation (Beatriz & Eduardo Albino Semmler) joining family firms in 2026. Services: industry-specialized accounting (services, commerce, industry, healthcare, construction, agribusiness), BPO financial outsourcing (spun into Multipla Gestão Financeira, 2022), company formation & legalization, tax planning & revision, and full payroll/HR (eSocial, DCTFWeb). Team of ~15–20
Posted by the thegentlemen threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Disclaimer
HackerFeeds 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.