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Analyze » Co-op » HARTHEMAR1781750033

Incident Score: Analysis & Impact (HARTHEMAR1781750033)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-37
Company Score Before Incident286 / 1000
Company Score After Incident249 / 1000
Company LinkView Co-op Profile
INCIDENT NUMBERHARTHEMAR1781750033
Type of Cyber IncidentCyber Attack
ATTACK VECTORNA
DATA EXPOSEDNA
INCIDENT DATE21/05/2025
STATUSOngoing

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 HARTHEMAR1781750033.

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: 237038, the industry type: Retail and the number of employees: 21188 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 286 and after the incident was 249 with a difference of -37 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.

On 01 April 2024, Marks & Spencer (M&S) disclosed Cyber-Attack issues under the banner "Marks & Spencer Prolonged Online Disruption Following Easter Cyber-Attack".

Marks & Spencer (M&S) has revealed that its online services will remain disrupted until July after a sophisticated cyber-attack last month.

The disruption is felt across the environment, affecting online ordering, click-and-collect and contactless payment systems, plus an estimated financial loss of £300 million.

In response, while recovery efforts such as Gradual return to normal operations continue, and stakeholders are being briefed through Apology banner on website, CEO statements.

The case underscores how Ongoing, with advisories going out to stakeholders covering CEO assured stakeholders of recovery and broader restructuring 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 Exploit Public-Facing Application (T1190) with moderate confidence (60%), with evidence including online services disrupted, and suspension of online ordering and Trusted Relationship (T1199) with moderate confidence (50%), supported by evidence indicating scattered Spider linked to previous attacks on Co-op and Harrods. Under the Impact tactic, the analysis identified Defacement (T1491) with moderate to high confidence (80%), with evidence including apology banner on website, and online services disrupted, Service Stop (T1489) with high confidence (90%), with evidence including suspension of online ordering, and disruption of click-and-collect and contactless payments, and Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate to high confidence (70%), with evidence including prolonged online disruption, and gradual return to normal operations. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating highly sophisticated and targeted breach. Under the Lateral Movement tactic, the analysis identified Exploitation of Remote Services (T1210) with moderate confidence (50%), supported by evidence indicating disruption across multiple systems (online ordering, click-and-collect, payments). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (60%)
Trusted Relationship (50%)
Impact
Defacement (80%)
Service Stop (90%)
Endpoint Denial of Service: Application or System Exploitation (70%)
Defense Evasion
Obfuscated Files or Information (60%)
Lateral Movement
Exploitation of Remote Services (50%)

Sources & References