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Dutch Finance Ministry Blocks Computer Systems After Hack

Bloomberg • March 23, 2026

The Dutch Finance Ministry said it had blocked access to some of its computer systems after a hack was detected on March 19.

The breach affected a number of primary processes related to the work of some employees in the policy department, the ministry said. An investigation has been launched, though it is not yet known when further information will be available, a spokeswoman for the ministry said.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Cyberattack on Dutch Ministry of Finance Impacts Employee Systems The Dutch Ministry of Finance confirmed a cyberattack that was detected on March 19, 2026, affecting some internal systems related to the policy department. The breach was reported by a third party, prompting the ministry to restrict access to the compromised systems. Although the attack impacted a portion of employees, no specific number of affected individuals or details on stolen data have been disclosed. Critical systems for tax collection and citizen services remain unaffected. An investigation is currently underway to assess the full scope of the incident. The ministry has not identified the attackers or the method used in the breach. This incident follows a recent trend of significant cyberattacks in the Netherlands, including a major breach at telecom provider Odido. The ministry has committed to providing updates as more information becomes available. 11 sources 49

Dutch Finance Ministry Blocks Computer Systems After Hack

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