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Finance Ministry Still Dealing With Hack Aftermath

The Dutch Ministry of Finance is still dealing with the aftermath of a cyber incident earlier this year.

Published 4 June 2026 · 13:57 CET
1 min read
Server room used to illustrate the aftermath of a Dutch Finance Ministry cyber incident

The Dutch Ministry of Finance is still dealing with the aftermath of a cyber incident earlier this year.

Some processes remain delayed, and not all systems are fully back online. The ministry says almost all affected applications at the policy department are working again, but some problems remain.

The cyber incident led the ministry to block access to several systems on 23 March. At the time, the ministry said the Tax and Customs Administration and the benefits service were not affected.

The impact is now visible in other areas. Some public datasets have not been published on time because of technical problems and delayed internal processes.

One example concerns data about which companies received government money last year. That information is normally published in May, but has now been delayed.

The ministry says the delay is an indirect result of the cyber incident. Because work elsewhere was delayed, priority was given to regular and legal obligations. One open dataset was moved to the next publication moment.

There is still no public answer about who was behind the attack or what the goal was. The investigation is ongoing.

The case shows how a cyber incident can affect government transparency even when citizens are not directly hit. A hack does not always need to shut down a service to cause problems. It can slow publication, disrupt internal work and create uncertainty about data access.

Public finance data is important because it allows journalists, researchers, companies and citizens to check how government money is spent. Delays can reduce transparency, even if they are temporary.

The Tweede Kamer is expected to receive more information before the summer. That letter may give a clearer picture of what happened, which systems were affected and whether data was accessed.

The incident is another reminder that government cybersecurity is not only an IT issue. It is part of public trust.

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