Cyberattack on Belgian Federal Public Service Finance suspends online tax services
Belgium's Federal Public Service Finance was hit by a cyberattack on October 28 and preventively suspended online tax services such as MyMinfin. Authorities blocked the intrusion early, carried out an investigation and security measures, and said no data was stolen and no applications were taken over. The main suspended services were restored on October 31, and some tax filing deadlines were extended to November 16.
Key facts
- Affected organization
- Belgian Federal Public Service Finance
- Incident type
- Hacking & intrusion
- Occurred / detected
- 2026-10-28
- Scale of damage
- Suspension of online tax services such as MyMinfin, Tax-on-Web and Biztax, and disruption to filing schedules
- Cause / method
- External intrusion into the finance authority's systems
- Location
- Belgium
Timeline
- Digital services such as MyMinfin were temporarily suspended due to the cyberattack.
- Several tax filing deadlines, including corporate and withholding tax, were extended to November 16.
- MyMinfin, Tax-on-Web and Biztax were restored.
- Authorities said no data was stolen and no applications were taken over.
14 related reports
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- Belgium: Tax compliance deadlines extended following cyberattack
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- Cyberattack disrupts Belgian tax services before filing deadline
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- Belgian cyberattack disrupts tax services and extends filing deadlines
- No data leaked in Finance Ministry cyberattack, services still down
- Belgium finance agency takes services offline following cyberattack
- Belgium tax portal cyberattack shuts down MyMinfin
- DDoS attack disrupts DigiD and Dutch Tax Administration services
- Belgian tax websites back online after cyberattack, filing deadline extended to 16 November
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.