JCC Software geeft 'klassiek' datalek pas na drie weken toe
JCC Software, onderdeel van Conxillium, a Dutch software provider for municipalities, admitted to a data leak that exposed personal data of thousands of citizens. The breach, caused by a test server linked to the production system, led to the theft of 100,000 personal data records and 7,000 citizen service numbers (BSNs) from the municipality of Amersfoort. Municipalities Dinkelland and Tubbergen were also affected. The company reportedly delayed disclosure for three weeks.
Signal context
First seen: Dec 10, 2024
Last updated: Jul 1, 2026
Status: Public signal
Key points
- Data leak affecting thousands of citizens.
- 100,000 personal data records and 7,000 BSNs stolen from Amersfoort municipality.
- Municipalities Dinkelland and Tubbergen also impacted.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: 🇳🇱 Netherlands
inferred from company domain
Watch process controls, misconfiguration and accidental disclosure paths.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data, Server or cloud data store
- 23 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
JCC Software geeft 'klassiek' datalek pas na drie weken toe - Computable.nlhttps://www.computable.nl/2024/12/10/jcc-software-geeft-klassiek-datalek-pas-na-drie-weken-toe/Public source from computable.nl.
AP: Belastingdienst moet datalekkenbeleid verbeteren - Techzine.nlhttps://www.techzine.nl/nieuws/privacy-compliance/559463/ap-belastingdienst-moet-datalekkenbeleid-verbeteren/Public source from techzine.nl.
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