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Machelen (Belgium) Data Breach: Rhysida Ransomware Claim (Oct 2026)

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HookPhish team

Summary

In the latest cybersecurity news, Machelen (Belgium) — an organization based in BE — has fallen victim to a ransomware attack conducted by the group rhysida. This data breach, discovered on 2026-10-27T22:25:47.522037+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.

Incident Report

Attribute Information
Target Organization Machelen (Belgium)
Threat Group rhysida
Summary Machelen (Belgium) Machelen (Belgium) – municipal and social welfare (OCMW) file servers1.3 million files, ~2.9 TB. Working copy + backup copy (lawer2/lawer3). Language: Dutch, partly French.Contents:Social welfare and migration service client files: passports, ID cards, residence permits, sick notes.WZC nursing home: medical files, staff HR dossiers, workplace accidents.Civil status records (births, marriages) with national register numbers (NISS/RRN).Payslips, financial data.Correspondence (~23k messages), employee home folders.Databases and backups: full OCMW database backup (6 GB, 09/2026), 645 .mdb databases, 12,873 .dbf, 110 .bak (17 GB).Verified: 13,319 files with personal data. Among them – a valid Belgian ID card (expiry 02/2029), Belgian and Moroccan passports, national register numbers (RRN), sick notes with patient addresses, medical documents (GDPR Art. 9 special categories). More
Date of Breach 2026-10-27T22:24:20.267452+00:00
Discovery Date 2026-10-27T22:25:47.522037+00:00
Region BE
Business Sector Not Found

 

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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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