Incident Score: Analysis & Impact (THE1767397332)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Mercadien'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 Mercadien 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 Mercadien breach identified under incident ID THE1767397332.
The analysis begins with a detailed overview of Mercadien's information like the linkedin page: https://www.linkedin.com/company/the-mercadien-group, the number of followers: 3060, the industry type: Financial Services and the number of employees: 141 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 684 with a difference of -70 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 Mercadien and their customers.
On 01 December 2025, Mercadien disclosed Data Breach issues under the banner "Mercadien Data Breach".
Mercadien experienced a data breach in which sensitive personal identifiable information may have been compromised.
The disruption is felt across the environment, and exposing Sensitive personal identifiable information.
In response, and stakeholders are being briefed through Posted notice on website and mailed data breach notification letters.
The case underscores how Ongoing, with advisories going out to stakeholders covering Data breach notification letters mailed to impacted individuals.
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 Valid Accounts (T1078) with moderate to high confidence (70%), with evidence including username and passwords compromised, and financial account details exposed and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating attack vector not specified, but sensitive PII exposed. Under the Credential Access tactic, the analysis identified Credentials from Password Stores (T1555) with moderate to high confidence (80%), supported by evidence indicating username and passwords compromised and Brute Force (T1110) with moderate confidence (60%), supported by evidence indicating sensitive PII including financial account details exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating sensitive PII (SSN, IRS PINs, payment card info) compromised and Automated Exfiltration (T1020) with moderate to high confidence (70%), supported by evidence indicating high volume of sensitive data exposed (names, addresses, DOB). Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with lower confidence (40%), supported by evidence indicating no ransomware details, but data breach with high sensitivity and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (30%), supported by evidence indicating financial account details and payment card info exposed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Mercadien Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/the-mercadien-group/incident/THE1767397332
- Mercadien CyberSecurity Rating page: https://www.rankiteo.com/company/the-mercadien-group
- Mercadien Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/the1767397332-breach-november-2025/
- Mercadien CyberSecurity Score History: https://www.rankiteo.com/company/the-mercadien-group/history
- Mercadien CyberSecurity Incident Source: https://straussborrelli.com/2026/01/02/mercadien-data-breach-investigation/
- 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