Incident Score: Analysis & Impact (NAT1781714092)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of National Cyber Security Centre's Cyber Attack 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 National Cyber Security Centre 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 National Cyber Security Centre breach identified under incident ID NAT1781714092.
The analysis begins with a detailed overview of National Cyber Security Centre's information like the linkedin page: https://www.linkedin.com/company/national-cyber-security-centre, the number of followers: 487647, the industry type: Government Administration and the number of employees: 240 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 768 and after the incident was 742 with a difference of -26 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 National Cyber Security Centre and their customers.
UK Critical National Infrastructure recently reported "UK Critical Infrastructure Hit by Over 200 Cyberattacks in Past Year", a noteworthy cybersecurity incident.
The UK’s critical national infrastructure faced more than 200 cyber incidents in the past year, with state-linked adversaries responsible for three-quarters of the attacks.
The disruption is felt across the environment, affecting nuclear deterrent systems, power plants and hospitals.
In response, and began remediation that includes transition to passkeys and enhanced cybersecurity fundamentals, while recovery efforts such as rapid recovery from attacks continue.
The case underscores how teams are taking away lessons such as Advances in AI could accelerate cyber risks, and most breaches stem from well-known vulnerabilities like weak authentication and unpatched systems. Organizations must prioritize cybersecurity fundamentals and rapid recovery, and recommending next steps like Transition from passwords to passkeys, Address known vulnerabilities (e.g., weak authentication, unpatched systems) and Enhance monitoring and recovery capabilities.
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 (60%), supported by evidence indicating unpatched systems exploited by state-linked adversaries and Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating weak authentication identified as a vulnerability. Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (60%), supported by evidence indicating weak authentication exploited in attacks and Valid Accounts: Cloud Accounts (T1078.004) with moderate confidence (50%), supported by evidence indicating state actors targeting critical infrastructure systems. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating ongoing contest with capable adversaries. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating weak authentication and unpatched systems exploited and Hijack Execution Flow (T1574) with moderate confidence (50%), supported by evidence indicating unpatched systems vulnerable to exploitation. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating state-sponsored cyber espionage targeting critical infrastructure. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating state-linked adversaries responsible for three-quarters of attacks. Under the Impact tactic, the analysis identified Endpoint Denial of Service (T1499) with moderate confidence (60%), supported by evidence indicating potential disruption to critical national infrastructure and Data Manipulation (T1565) with moderate confidence (50%), supported by evidence indicating targeting of nuclear deterrent, power plants, hospitals. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- National Cyber Security Centre Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/national-cyber-security-centre/incident/NAT1781714092
- National Cyber Security Centre CyberSecurity Rating page: https://www.rankiteo.com/company/national-cyber-security-centre
- National Cyber Security Centre Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/nat1781714092-uks-critical-national-infrastructure-cyber-attack-april-2025/
- National Cyber Security Centre CyberSecurity Score History: https://www.rankiteo.com/company/national-cyber-security-centre/history
- National Cyber Security Centre CyberSecurity Incident Source: https://www.theguardian.com/uk-news/2026/jun/17/uk-critical-infrastructure-cyber-incidents-ncsc
- 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