Tesco Breach Incident Score: Analysis & Impact (PETBLATOT-TE1770804130)

In this Rankiteo incident briefing, we review the Tesco breach identified under incident ID PETBLATOT-TE1770804130.

The analysis begins with a detailed overview of Tesco's information like the linkedin page: https://www.linkedin.com/company/-tesco, the number of followers: 898592, the industry type: Retail and the number of employees: 86468 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 754 and after the incident was 728 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 Tesco and their customers.

Peter Green Chilled recently reported "UK Food Distributor Hit by Ransomware Attack, Disrupting Supermarket Supply Chains", a noteworthy cybersecurity incident.

A ransomware attack has crippled Peter Green Chilled, a Somerset-based food distributor supplying major UK supermarkets, including Tesco and Aldi.

The disruption is felt across the environment, affecting Order processing systems.

In response, and stakeholders are being briefed through Provided clients with updates and workarounds.

The case underscores how teams are taking away lessons such as The incident underscores the growing vulnerability of food distribution networks to cyber threats, with smaller suppliers increasingly targeted.

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 ransomware attack has crippled Peter Green Chilled and External Remote Services (T1133) with lower confidence (40%), supported by evidence indicating surge in cyber incidents targeting the retail and food sectors. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware typically involves hackers encrypting critical data. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), with evidence including critical data encrypted, and ransomware attack has crippled and Defacement: Internal Defacement (T1491.001) with moderate to high confidence (70%), supported by evidence indicating unable to process fresh orders on Thursday. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (50%), supported by evidence indicating ransomware typically involves hackers...demanding payment. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating surge in cyber incidents targeting the retail and food sectors. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware typically involves hackers encrypting critical data and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating unable to process fresh orders. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.