Ransomware Attack Disrupts Dutch Healthcare Software Vendor ChipSoft

Severity: High (Score: 71.0)

Sources: Theregister

Summary

On April 7, 2026, ChipSoft, a Dutch healthcare software vendor, suffered a ransomware attack that rendered its website inaccessible. The company provides patient record software to approximately 80% of healthcare facilities in the Netherlands. The ransomware aspect of the attack was confirmed by Z-CERT, the Netherlands' computer emergency response team. While the majority of hospitals using ChipSoft's software can still access patient portals, 11 hospitals have taken their systems offline, with nine of these being heavily reliant on the software. Z-CERT is collaborating with ChipSoft and healthcare partners to assess the incident's impact. The attack highlights ongoing concerns about ransomware threats in the Dutch healthcare sector, which has seen significant breaches in recent years. Z-CERT advises hospitals to audit their systems for unusual activity and report any suspicious findings. The identity of the attackers remains unknown. Key Points: • ChipSoft's website was taken offline due to a ransomware attack on April 7, 2026. • Approximately 80% of Dutch hospitals rely on ChipSoft's patient record software. • Z-CERT is actively working with ChipSoft to assess the impact and recommends system audits.

Key Entities

• Ransomware (attack_type)
• AZ Monica (company)
• ChipSoft (company)
• Clinical Diagnostics (company)
• Belgium (country)
• Netherlands (country)
• Healthcare (industry)
• T1041 - Exfiltration Over C2 Channel (mitre_attack)
• Nova (ransomware_group)