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Confidence HighDec 5, 2025dantumadiel.nl

Gemeente Dantumadiel lekt e-mailadressen van 108 inwoners

PatternExternal actor · Hacking · Confidentiality impact

The municipality of Dantumadiel accidentally exposed the email addresses of 108 residents when sending an email about a housing project. Due to an error in the email settings, the mailing was not sent using the BCC function, making recipients' email addresses visible to each other. The incident was reported to the Dutch Data Protection Authority (Autoriteit Persoonsgegevens).

Signal date
Dec 5, 2025
Updated
Jul 2, 2026
Confidence
High
Sources
2 sources
dantumadiel.nl logo

Dantumadiel

Sector
Public Administration
Signals
1 linked

Signal context

First seen: Dec 5, 2025

Last updated: Jul 2, 2026

Status: Public signal

Key points

  • Email addresses of 108 residents exposed.
  • Caused by an error in email settings (failure to use BCC).
  • Incident related to an email about a housing project.

Signal analysis

Beta

This 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.

Affected organization
Dantumadiel logo
Dantumadiel

Sector: Public Administration

Likely country: 🇳🇱 Netherlands

inferred from company domain

    Estimated
    Threat source
    Hacking activity

    Watch internet-facing systems, credential abuse and exploit activity.

    • Source type: outside the affected organization
    Business impact
    Potential data exposure

    Impact area: Confidentiality

    Likely asset: User or customer data

    Trend context
    65 signals with similar action pattern
    • 1 signal in the same sector
    • 88 signals with the same likely impact area
    • 1 signal linked to this organization/domain
    Mentioned entities
    DantumadielData DisclosureGemeente DantumadielDantumadielDueBCCAutoriteit PersoonsgegevensEmailCaused

    External sources

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