Marks and Spencer Breach Incident Score: Analysis & Impact (HARMARTHEBRI1769526687)

In this Rankiteo incident briefing, we review the Marks and Spencer breach identified under incident ID HARMARTHEBRI1769526687.

The analysis begins with a detailed overview of Marks and Spencer's information like the linkedin page: https://www.linkedin.com/company/marks-and-spencer, the number of followers: 736458, the industry type: Retail and the number of employees: 41277 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 Marks and Spencer and their customers.

British Horseracing Authority (BHA) recently reported "British Horseracing Authority (BHA) Ransomware Attack", a noteworthy cybersecurity incident.

The British Horseracing Authority (BHA) suffered a ransomware attack in early June 2025, compromising multiple servers within its IT infrastructure.

The disruption is felt across the environment, affecting Multiple servers within IT infrastructure, and exposing True.

In response, moved swiftly to contain the threat with measures like IT staff worked remotely to contain the breach.

The case underscores how Ongoing.

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.

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 compromising multiple servers within its IT infrastructure and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating perceived security gaps, where weak defenses make breaches easier. 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...compromising multiple servers. Under the Persistence tactic, the analysis identified Scheduled Task/Job (T1053) with moderate confidence (50%), supported by evidence indicating iT staff worked remotely to contain the breach (implied persistence). Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating ransomware group has not been identified, details kept confidential and Execution Guardrails (T1480) with moderate confidence (50%), supported by evidence indicating core racing operations remained unaffected (targeted evasion). Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (60%), supported by evidence indicating perceived security gaps, where weak defenses make breaches easier. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating compromising multiple servers within its IT infrastructure. Under the Lateral Movement tactic, the analysis identified Remote Services (T1021) with moderate confidence (60%), supported by evidence indicating iT staff worked remotely to contain the breach (implied lateral spread). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack...data encryption such as true and Inhibit System Recovery (T1490) with moderate to high confidence (70%), supported by evidence indicating iT staff worked remotely during containment (disrupted recovery). Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating double extortion...threatening to leak it on the dark web. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.