Incident Score: Analysis & Impact (ENV1772065882)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Environment and Health 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 Environment and Health 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 Environment and Health Group breach identified under incident ID ENV1772065882.
The analysis begins with a detailed overview of Environment and Health Group's information like the linkedin page: https://www.linkedin.com/company/environment-and-health-group, the number of followers: 65, the industry type: Research Services and the number of employees: 3 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 750 and after the incident was 688 with a difference of -62 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 Environment and Health Group and their customers.
On 25 February 2026, EHG disclosed Data Breach issues under the banner "EHG Data Breach Impacting Sensitive Health and Personal Information".
EHG recently disclosed a data breach affecting sensitive personal and protected health information stored on its cloud-based healthcare platform.
The disruption is felt across the environment, affecting Cloud-based healthcare platform, and exposing Sensitive personal and protected health information.
In response, and stakeholders are being briefed through Breach notice published on company website, offering complimentary credit monitoring services.
The case underscores how Completed, with advisories going out to stakeholders covering Complimentary credit monitoring services offered to affected 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%), supported by evidence indicating unauthorized third party accessed the compromised data and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating cloud-based healthcare platform. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate confidence (60%), supported by evidence indicating unauthorized activity on cloud-based healthcare platform and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating social Security numbers, medical information compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating names, Social Security numbers, dates of birth, medical information. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized third party accessed the compromised data and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating data stored on its cloud-based healthcare platform. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating data breach affecting sensitive personal and health information and Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating unauthorized third party accessed the compromised data. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Environment and Health Group Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/environment-and-health-group/incident/ENV1772065882
- Environment and Health Group CyberSecurity Rating page: https://www.rankiteo.com/company/environment-and-health-group
- Environment and Health Group Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/env1772065882-ehg-breach-february-2026/
- Environment and Health Group CyberSecurity Score History: https://www.rankiteo.com/company/environment-and-health-group/history
- Environment and Health Group CyberSecurity Incident Source: https://straussborrelli.com/2026/02/25/evergreen-healthcare-group-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