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Belgium's Tax Agency Cyberattack Leads to Service Outage

Belgium's Tax Agency Cyberattack Leads to Service Outage

First seen 29 Oct 2026, 16:44 UTC • •

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ThreatCluster AI
ThreatCluster •October 29, 2026 at 18:14 UTC
  • •Belgium's tax agency confirmed a cyberattack on October 29, 2026.
  • •Online services were taken offline, leading to extended tax deadlines.
  • •Details on the attack vector and data compromise remain undisclosed.

Belgium's tax agency confirmed a cyberattack on October 29, 2026, resulting in the suspension of online services. The attack has forced officials to extend tax deadlines to November. Specific details about the attack vector or the extent of the breach have not been disclosed. The agency is currently assessing the situation and has not provided information on whether any data was compromised. The attack highlights ongoing vulnerabilities in public sector cybersecurity. This incident follows a trend of increasing cyber threats targeting government institutions.

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Timeline

2026-10-29
Cyberattack confirmed on tax agency
Belgium's tax agency confirmed a cyberattack, resulting in the suspension of online services and extended tax deadlines.
Article 1 (Theregister)

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Common questions

What services are affected?
The online services of Belgium's tax agency are currently offline due to the cyberattack.
What is the current status of the investigation?
The agency is assessing the situation but has not disclosed specific details about the attack vector or data compromise.
When are the new tax deadlines?
Tax deadlines have been extended to November as a result of the cyberattack.