Dutch healthcare software vendor goes dark after ransomware attack

A ransomware attack knocked ChipSoft — a Dutch healthcare software vendor serving around 80% of the country’s hospitals — offline on April 7, 2026; Z-CERT confirmed the ransomware element and is coordinating with ChipSoft and affected hospitals. Despite public-facing outages, most hospitals remain operational, though 11 have taken the software offline; the threat actor and any data theft have not been disclosed.