Incident Score: Analysis & Impact (GRUPOPRES1769017007)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Grubhub's Breach 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 Grubhub 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 Grubhub breach identified under incident ID GRUPOPRES1769017007.
The analysis begins with a detailed overview of Grubhub's information like the linkedin page: https://www.linkedin.com/company/grubhub-seamless, the number of followers: 222114, the industry type: Technology, Information and Internet and the number of employees: 6717 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 788 and after the incident was 700 with a difference of -88 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 Grubhub and their customers.
Grubhub recently reported "Grubhub Breach Highlights Growing Third-Party Cyber Risks in the Restaurant Industry", a noteworthy cybersecurity incident.
In early 2025, Grubhub, one of the largest third-party vendors serving the U.S.
The disruption is felt across the environment, affecting Third-party delivery platforms, point-of-sale systems, kitchen management systems, and exposing Payment card data, loyalty program details, employee records, plus an estimated financial loss of $3.4 million - $3.9 million per breach (industry average).
Formal response steps have not been shared publicly yet.
The case underscores how teams are taking away lessons such as Third-party vulnerabilities are a persistent and escalating threat in the restaurant industry due to interconnected digital supply chains. Rigorous vendor audits, cyber insurance, and compliance with standards like SOC and PCI DSS are critical for mitigation, and recommending next steps like Conduct rigorous vendor audits assessing security policies, response plans, staff training, and compliance with standards like SOC and PCI DSS, Clarify indemnities in vendor contracts to mitigate fallout from third-party breaches and Structure cyber insurance policies to cover first- and third-party liabilities, including wire transfer fraud, credit card breaches, and business interruption.
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 Supply Chain Compromise (T1195) with high confidence (90%), with evidence including cyber incident originating from one of its own service providers, and third-party breaches now account for 30% of all cyber incidents and Supply Chain Compromise: Compromise Software Supply Chain (T1195.002) with moderate to high confidence (80%), supported by evidence indicating grubhub fell victim to a cyber incident originating from one of its own service providers. Under the Credential Access tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating hard-coded passwords that could disrupt operations and Brute Force: Password Guessing (T1110.001) with moderate confidence (60%), supported by evidence indicating hard-coded passwords...raising concerns that malicious actors may have already exploited similar weaknesses. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating payment card data, loyalty program details, and employee records stolen and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating loyalty program details...compromised via third-party delivery platforms. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating payment card data, loyalty program details, and employee records stolen and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating third-party delivery platforms...affected by the breach. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating business interruption...driven by lost business, forensic investigations and Defacement (T1491) with lower confidence (30%), supported by evidence indicating brand reputation impact implied by significant financial toll. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating hard-coded passwords...could disrupt operations and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating restaurant breaches go undetected for 212 days. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Grubhub Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/grubhub-seamless/incident/GRUPOPRES1769017007
- Grubhub CyberSecurity Rating page: https://www.rankiteo.com/company/grubhub-seamless
- Grubhub Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/grupopres1769017007-grubhub-popeyes-restaurant-brands-inc-breach-september-2024/
- Grubhub CyberSecurity Score History: https://www.rankiteo.com/company/grubhub-seamless/history
- Grubhub CyberSecurity Incident Source: https://modernrestaurantmanagement.com/what-restaurants-need-to-know-about-managing-third-party-cyber-risks/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf