The church website network for katholiekamersfoort.nl in the Netherlands (NL) was breached by the threat actor stormous, leading to the exfiltration of over 10 GB of data. The stolen information included donor and staff records along with PII, internal network shares and documents, contact lists, board and committee data, and system metadata, impacting #Netherlands
Incident Details
- Victim: katholiekamersfoort.nl
- Sector: Education
- Country: NL
- Actor: stormous
- Source:
- Discovered: 2026-06-02T21:33:29.918029+00:00
- Published: 2026-06-02T00:00:00+00:00
Information
- Over 10 GB of data was exfiltrated after the church website’s network was breached.
- The compromised information includes donor and staff records, along with personal data belonging to a large number of individuals.
- Stolen data also includes databases and personally identifiable information (PII).
- Internal network shares and documents were accessed and taken.
- Contact lists, board and committee data, and system metadata were also compromised.
Disclaimer: This post is based on public claims made by the ransomware group "stormous". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.