Loblaw Companies Limited Breach Incident Score: Analysis & Impact (LOB1773182157)

In this Rankiteo incident briefing, we review the Loblaw Companies Limited breach identified under incident ID LOB1773182157.

The analysis begins with a detailed overview of Loblaw Companies Limited's information like the linkedin page: https://www.linkedin.com/company/loblaw-companies-limited, the number of followers: 275136, the industry type: Retail and the number of employees: 23641 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 727 and after the incident was 689 with a difference of -38 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 Loblaw Companies Limited and their customers.

On 10 March 2026, Loblaw Companies Limited disclosed Data Breach issues under the banner "Loblaw Data Breach Impacting Customer Information".

Loblaw Companies Limited disclosed a data breach affecting some of its customers after detecting suspicious activity on a non-critical segment of its IT network.

The disruption is felt across the environment, affecting Non-critical segment of IT network, and exposing Names, phone numbers, email addresses.

In response, moved swiftly to contain the threat with measures like Secured network, logged out all customers, and began remediation that includes Requiring re-authentication for digital services.

The case underscores how Ongoing, with advisories going out to stakeholders covering Customers logged out and required to re-authenticate.

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 detected suspicious activity on a non-critical segment of its IT network and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access by a third-party criminal. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating logged out all customers and required re-authentication. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating exposing basic customer details such as names, phone numbers, and email addresses. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized access by a third-party criminal. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating secured its network and logged out all customers. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no details on the method of the breach. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.