Marks and Spencer Breach Incident Score: Analysis & Impact (VICMARCAR1772649374)

In this Rankiteo incident briefing, we review the Marks and Spencer breach identified under incident ID VICMARCAR1772649374.

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.

Victoria’s Secret recently reported "Retail Cyberattacks Surge: Victoria’s Secret, The North Face, and Cartier Among Latest Victims", a noteworthy cybersecurity incident.

A wave of cyberattacks has targeted major retailers in recent weeks, disrupting operations and exposing customer data.

The disruption is felt across the environment, affecting Websites and In-store services, and exposing Customer data including names, emails, purchase history, shipping addresses, birth dates, and phone numbers, plus an estimated financial loss of $20 million in Q2 net sales (projected for Victoria’s Secret).

In response, moved swiftly to contain the threat with measures like Shut down website and Paused in-store services.

The case underscores how teams are taking away lessons such as Retailers are prime targets due to vast amounts of sensitive customer data; supply chain vulnerabilities pose significant risks.

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 victoria’s Secret shut down its website and paused in-store services and Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (80%), supported by evidence indicating the North Face disclosed a small-scale credential-stuffing attack. Under the Credential Access tactic, the analysis identified Brute Force: Credential Stuffing (T1110.004) with high confidence (90%), supported by evidence indicating hackers used leaked login details from other breaches to access customer accounts. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating customer data including names, emails, purchase history, shipping addresses. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized party accessed customer data, including purchase history. Under the Impact tactic, the analysis identified Endpoint Denial of Service: Application or System Exploitation (T1499.004) with moderate to high confidence (80%), supported by evidence indicating victoria’s Secret shut down its website and paused in-store services and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating details of the Victoria’s Secret attack remain undisclosed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.