Incident Score: Analysis & Impact (JONAMA1775623588)
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 Aman Group's Vulnerability 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 Aman 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 Aman Group breach identified under incident ID JONAMA1775623588.
The analysis begins with a detailed overview of Aman Group's information like the linkedin page: https://www.linkedin.com/company/aman-group, the number of followers: 25423, the industry type: Software Development and the number of employees: 935 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 757 and after the incident was 755 with a difference of -2 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 Aman Group and their customers.
Jones Day recently reported "Jones Day Breach Exposes Client Data via Third-Party File Transfer Platform", a noteworthy cybersecurity incident.
Global law firm Jones Day is under regulatory scrutiny after hackers accessed gigabytes of sensitive client data and internal communications through a breach of the Accellion file transfer platform, a third-party service the firm used for secure file sharing.
The disruption is felt across the environment, affecting Accellion file transfer platform (third-party service), and exposing Gigabytes of sensitive client data and internal communications.
In response, and stakeholders are being briefed through Notifying impacted clients.
The case underscores how Active investigation, teams are taking away lessons such as The breach underscores the risks of third-party vendor dependencies and the need for robust vendor risk management, particularly for services handling sensitive data.
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%), supported by evidence indicating exploited vulnerabilities in the external vendor’s system (Accellion) and Supply Chain Compromise: Compromise Software Supply Chain (T1195.002) with moderate to high confidence (80%), supported by evidence indicating breach of the Accellion file transfer platform, a third-party service. Under the Exploitation tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating exploited vulnerabilities in the Accellion file transfer platform. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate confidence (60%), supported by evidence indicating accessed gigabytes of sensitive client data via third-party platform. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating gigabytes of sensitive client data and internal communications accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating hackers accessed gigabytes of sensitive client data. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating sensitive client data and internal communications exposed and Defacement (T1491) with lower confidence (20%), supported by evidence indicating regulatory, legal, and reputational fallout. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Aman Group Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/aman-group/incident/JONAMA1775623588
- Aman Group CyberSecurity Rating page: https://www.rankiteo.com/company/aman-group
- Aman Group Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/jonama1775623588-accellion-jones-day-vulnerability-april-2026/
- Aman Group CyberSecurity Score History: https://www.rankiteo.com/company/aman-group/history
- Aman Group CyberSecurity Incident Source: https://securityboulevard.com/2026/04/jones-day-faces-cybersecurity-scrutiny-after-client-data-breach/
- 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