Incident Score: Analysis & Impact (QUA1774377344)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Quatrro'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 Quatrro 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 Quatrro breach identified under incident ID QUA1774377344.
The analysis begins with a detailed overview of Quatrro's information like the linkedin page: https://www.linkedin.com/company/quatrro, the number of followers: 20448, the industry type: Outsourcing/Offshoring and the number of employees: 1085 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 760 and after the incident was 703 with a difference of -57 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 Quatrro and their customers.
On 23 March 2026, Quatrro Business Support Services, Inc. disclosed Data Breach issues under the banner "Quatrro Business Support Services Suffers Data Breach, Exposing Sensitive Personal Information".
Quatrro Business Support Services, Inc., a U.S.-based outsourcing firm, confirmed a data breach exposing sensitive personal information.
The disruption is felt across the environment, and exposing Sensitive personal information, including Social Security numbers, driver’s license and passport numbers, financial account and payment card numbers, health insurance policy numbers, and names.
In response, and stakeholders are being briefed through Notifications to impacted individuals began on March 23, 2026.
The case underscores how Completed (scope determined on February 25, 2026), with advisories going out to stakeholders covering Notifications to impacted individuals began on March 23, 2026.
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%), supported by evidence indicating unauthorized access to its systems on December 7, 2025 and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating breach occurred between November 11 and November 19, 2025. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating exposing sensitive personal information including financial account numbers and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating social Security numbers, driver’s license, and passport numbers exposed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating affected files containing personally identifiable information (PII) and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating outsourcing firm handling finance, HR, and IT data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating breach occurred between November 11 and November 19, 2025 and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating operations in multiple countries (U.S., India, UAE, etc.). Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating attack threatening the organizations existence and Stored Data Manipulation (T1565.001) with lower confidence (30%), supported by evidence indicating potential legal claims for identity theft or damages. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Quatrro Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/quatrro/incident/QUA1774377344
- Quatrro CyberSecurity Rating page: https://www.rankiteo.com/company/quatrro
- Quatrro Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/qua1774377344-quatrro-business-support-services-inc-breach-november-2025/
- Quatrro CyberSecurity Score History: https://www.rankiteo.com/company/quatrro/history
- Quatrro CyberSecurity Incident Source: https://www.claimdepot.com/investigations/quatrro-data-breach-2026
- 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