Incident Score: Analysis & Impact (THE1770266348)
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 Co-op'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 Co-op 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 Co-op breach identified under incident ID THE1770266348.
The analysis begins with a detailed overview of Co-op's information like the linkedin page: https://www.linkedin.com/company/the-co-op-group, the number of followers: 227322, the industry type: Retail and the number of employees: 20614 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 100 and after the incident was 100 with a difference of 0 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 Co-op and their customers.
Co-op Group recently reported "Co-op Group Cyberattack Resulting in £120 Million Profit Hit", a noteworthy cybersecurity incident.
The UK’s Co-op Group disclosed a significant financial impact from a sophisticated cyberattack in April.
The disruption is felt across the environment, affecting Multiple systems shut down, plus an estimated financial loss of £120 million estimated full-year profit impact.
In response, moved swiftly to contain the threat with measures like Temporarily shut down multiple systems.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
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 Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating attackers impersonating a colleague to gain account access and Valid Accounts (T1078) with high confidence (90%), supported by evidence indicating gain account access via impersonation of a colleague. Under the Execution tactic, the analysis identified User Execution: Malicious Link (T1204.001) with moderate to high confidence (70%), supported by evidence indicating social engineering tactics...to gain account access. Under the Credential Access tactic, the analysis identified Modify Authentication Process (T1556) with moderate confidence (60%), supported by evidence indicating impersonating a colleague to gain account access. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with moderate to high confidence (80%), supported by evidence indicating temporarily shut down multiple systems to contain the threat. Under the Impact tactic, the analysis identified Service Stop (T1489) with high confidence (90%), supported by evidence indicating shut down multiple systems...disrupted operations, including food availability and Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate to high confidence (70%), supported by evidence indicating sophisticated cyberattack...forced the company to shut down systems. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Co-op Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/the-co-op-group/incident/THE1770266348
- Co-op CyberSecurity Rating page: https://www.rankiteo.com/company/the-co-op-group
- Co-op Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/the1770266348-co-op-group-cyber-attack-september-2025/
- Co-op CyberSecurity Score History: https://www.rankiteo.com/company/the-co-op-group/history
- Co-op CyberSecurity Incident Source: https://www.reuters.com/world/uk/britains-co-op-says-cyberattack-cost-it-108-million-2025-09-25/
- 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