Incident Score: Analysis & Impact (DEP1775305865)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Department of Education'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 Department of Education 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 Department of Education breach identified under incident ID DEP1775305865.
The analysis begins with a detailed overview of Department of Education's information like the linkedin page: https://www.linkedin.com/company/department-of-education-ni, the number of followers: 166, the industry type: Government Administration and the number of employees: 82 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 763 and after the incident was 737 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 Department of Education and their customers.
C2K school IT system recently reported "Cyber Attack Disrupts Northern Ireland’s C2K School System Ahead of Exams", a noteworthy cybersecurity incident.
Northern Ireland’s C2K school IT system, managed by Capita, was targeted in a cyber attack, causing significant disruption for pupils and staff, particularly those preparing for exams.
The disruption is felt across the environment, affecting C2K school IT system.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Capita immediately contained the breach, and began remediation that includes Full password reset across the school network; Password Request Form for students, while recovery efforts such as Reset credentials sent to alternate emails for Years 11–14; Years 8–10 to have passwords reset in school after Easter break continue, and stakeholders are being briefed through Apology issued to affected students; advisories to schools and students.
The case underscores how Ongoing, with advisories going out to stakeholders covering Education Authority issued advisories to schools and students.
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 c2K school IT system, managed by Capita, was targeted in a cyber attack and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating full password reset across the school network; Password Request Form for students. Under the Impact tactic, the analysis identified Service Stop (T1489) with moderate to high confidence (80%), supported by evidence indicating significant disruption for pupils and staff...unable to access critical resources and Defacement (T1491) with lower confidence (30%), supported by evidence indicating no details on attack’s origin or scope released at this time. Under the Credential Access tactic, the analysis identified Brute Force (T1110) with lower confidence (40%), supported by evidence indicating full password reset across the school network and Valid Accounts: Default Accounts (T1078.001) with moderate confidence (50%), supported by evidence indicating password Request Form required for account access restoration. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with lower confidence (40%), supported by evidence indicating capita immediately contained the breach. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (50%), supported by evidence indicating personal data (unconfirmed); ICO engaged in the response. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Department of Education Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/department-of-education-ni/incident/DEP1775305865
- Department of Education CyberSecurity Rating page: https://www.rankiteo.com/company/department-of-education-ni
- Department of Education Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/dep1775305865-devenish-college-cyber-attack-april-2026/
- Department of Education CyberSecurity Score History: https://www.rankiteo.com/company/department-of-education-ni/history
- Department of Education CyberSecurity Incident Source: https://www.impartialreporter.com/news/25995611.fermanagh-pupils-among-affected-cyber-attack-schools/
- 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