Ransomware Group thegentlemen Hits: Multipla Contabilidade Empresarial
Summary
In the latest cybersecurity news, Multipla Contabilidade Empresarial — an organization based in BR — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-09-15T07:10:19.507694+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| 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 | 2026-09-14T16:36:51+00:00 |
| Discovery Date | 2026-09-15T07:10:19.507694+00:00 |
| Region | BR |
| Target Domain | contabilmultipla.com.br |
| Business Sector | Professional Services |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- dark web monitoring — close the gap attackers exploit.
- data breach monitoring — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
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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