Incident Score: Analysis & Impact (AGC1784738351)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of AGC Group'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 AGC Group 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 AGC Group breach identified under incident ID AGC1784738351.
The analysis begins with a detailed overview of AGC Group's information like the linkedin page: https://www.linkedin.com/company/agc-group, the number of followers: 42220, the industry type: Glass, Ceramics and Concrete Manufacturing and the number of employees: 4730 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 767 and after the incident was 675 with a difference of -92 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 AGC Group and their customers.
On 22 July 2026, AGC America Inc. disclosed Data Breach issues under the banner "AGC America Data Breach Lawsuit Settlement".
AGC America Inc.
The disruption is felt across the environment, and exposing Personal information of employees, with nearly Thousands records at risk, plus an estimated financial loss of $590,000.
Formal response steps have not been shared publicly yet.
The case underscores how Closed (settlement approved).
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 confidence (60%), with evidence including failed to secure sensitive employee data, and personal information of thousands of workers and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating inadequate data protection measures. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate to high confidence (70%), with evidence including failed to protect sensitive employee data, and high (employee data) sensitivity. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), with evidence including personal information of employees compromised, and thousands of records exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating data breach exposed personal information of thousands and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating no details on data exfiltration method. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating inadequate safeguards led to data exposure and Defacement (T1491) with lower confidence (20%), supported by evidence indicating scrutiny of cybersecurity practices. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- AGC Group Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/agc-group/incident/AGC1784738351
- AGC Group CyberSecurity Rating page: https://www.rankiteo.com/company/agc-group
- AGC Group Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/agc1784738351-agc-america-inc-breach-december-2023/
- AGC Group CyberSecurity Score History: https://www.rankiteo.com/company/agc-group/history
- AGC Group CyberSecurity Incident Source: https://www.law360.com/articles/2504347/glass-maker-lands-final-ok-for-data-breach-settlement-
- 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