Incident Score: Analysis & Impact (RIJST-CHI1775637791)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of ChipSoft Nederland's Ransomware and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts ChipSoft Nederland Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the ChipSoft Nederland breach identified under incident ID RIJST-CHI1775637791.
The analysis begins with a detailed overview of ChipSoft Nederland's information like the linkedin page: https://www.linkedin.com/company/chipsoft, the number of followers: 606, the industry type: Software Development and the number of employees: 995 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 659 and after the incident was 517 with a difference of -142 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on ChipSoft Nederland and their customers.
ChipSoft recently reported "Dutch Healthcare Provider ChipSoft Hit by Ransomware Attack", a noteworthy cybersecurity incident.
ChipSoft, a major healthcare IT provider serving approximately 70% of Dutch hospitals, has suffered a ransomware attack, prompting alerts from Z-Cert, the Dutch healthcare cybersecurity authority.
The disruption is felt across the environment, affecting patient records and operational workflows management systems, and exposing possible unauthorized access.
In response, moved swiftly to contain the threat with measures like disconnect VPN connections to ChipSoft, monitor network traffic.
The case underscores how ongoing, with advisories going out to stakeholders covering Z-Cert advised healthcare institutions to disconnect VPN connections and monitor network traffic.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating possible unauthorized access via healthcare IT provider systems and External Remote Services (T1133) with moderate to high confidence (80%), supported by evidence indicating vPN connections to ChipSoft advised to be disconnected. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware attack on company managing patient files. Under the Credential Access tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating vPN connections advised to be disconnected (implies possible account misuse). Under the Lateral Movement tactic, the analysis identified Remote Services: Remote Desktop Protocol (T1021.001) with moderate confidence (60%), supported by evidence indicating healthcare IT provider serving 70% of Dutch hospitals (supply chain risk) and Remote Services: SSH (T1021.004) with moderate confidence (50%), supported by evidence indicating vPN disconnections advised (implies remote access exploitation). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack on healthcare IT provider. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating unable to confirm whether patient data was accessed or exfiltrated. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (50%), supported by evidence indicating investigation ongoing, full scope of attack unclear and Impair Defenses: Disable or Modify Tools (T1562.001) with lower confidence (40%), supported by evidence indicating healthcare institutions advised to monitor network traffic. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- ChipSoft Nederland Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/chipsoft/incident/RIJST-CHI1775637791
- ChipSoft Nederland CyberSecurity Rating page: https://www.rankiteo.com/company/chipsoft
- ChipSoft Nederland Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/rijst-chi1775637791-chipsoft-rijnstate-hospital-antoni-van-leeuwenhoek-hospital-ransomware-april-2026/
- ChipSoft Nederland CyberSecurity Score History: https://www.rankiteo.com/company/chipsoft/history
- ChipSoft Nederland CyberSecurity Incident Source: https://nltimes.nl/2026/04/08/ransomware-attack-company-manages-dutch-hospitals-patient-files
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf