Incident Score: Analysis & Impact (KPM1769446677)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of KPMG 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 KPMG 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 KPMG Nederland breach identified under incident ID KPM1769446677.
The analysis begins with a detailed overview of KPMG Nederland's information like the linkedin page: https://www.linkedin.com/company/kpmg-nederland, the number of followers: 74965, the industry type: Financial Services and the number of employees: 3871 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 703 and after the incident was 561 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 KPMG Nederland and their customers.
On 23 January 2026, KPMG Netherlands disclosed ransomware issues under the banner "KPMG Netherlands Hit by Nova Ransomware Attack".
On January 23, 2026, KPMG’s Netherlands division fell victim to a ransomware attack by the Nova group, a rising threat actor in the cybercrime landscape.
The disruption is felt across the environment, and exposing sensitive client data.
Formal response steps have not been shared publicly yet.
The case underscores how ongoing, and recommending next steps like Security analysts recommend blocking identified Nova-associated infrastructure and monitoring for lateral movement patterns linked to ransomware deployment, with advisories going out to stakeholders covering Stakeholders are advised to await official updates on the incident’s scope and remediation efforts.
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 Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating lateral movement patterns linked to ransomware deployment and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating attack threatening the organizations existence. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack by the Nova group. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating lateral movement patterns linked to ransomware deployment. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating lateral movement patterns linked to ransomware deployment. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating ransomware attack by the Nova group and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating tor-based command-and-control (C2) infrastructure. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating lateral movement patterns linked to ransomware deployment. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate confidence (60%), supported by evidence indicating lateral movement patterns linked to ransomware deployment. Under the Lateral Movement tactic, the analysis identified Remote Services: Remote Desktop Protocol (T1021.001) with moderate to high confidence (70%), supported by evidence indicating lateral movement patterns linked to ransomware deployment. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating sensitive client data, financial and compliance data compromised. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate to high confidence (80%), supported by evidence indicating tor-based command-and-control (C2) infrastructure and Proxy: Multi-hop Proxy (T1090.003) with moderate to high confidence (70%), supported by evidence indicating distributed leak sites across multiple onion domains. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating attackers claiming to have exfiltrated sensitive client data. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack by the Nova group. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- KPMG Nederland Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/kpmg-nederland/incident/KPM1769446677
- KPMG Nederland CyberSecurity Rating page: https://www.rankiteo.com/company/kpmg-nederland
- KPMG Nederland Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/kpm1769446677-kpmg-netherlands-ransomware-january-2026/
- KPMG Nederland CyberSecurity Score History: https://www.rankiteo.com/company/kpmg-nederland/history
- KPMG Nederland CyberSecurity Incident Source: https://cybersecuritynews.com/nova-ransomware-breach-kpmg-netherlands/
- 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