Incident Score: Analysis & Impact (EPI1788950406)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Epic Systems'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 Epic Systems 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 Epic Systems breach identified under incident ID EPI1788950406.
The analysis begins with a detailed overview of Epic Systems's information like the linkedin page: https://www.linkedin.com/company/epicsystems, the number of followers: 2219, the industry type: Information Technology & Services and the number of employees: 45 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 695 with a difference of -59 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 Epic Systems and their customers.
Epic Systems recently reported "Epic Systems Fraud Case and Health Gorilla Data Breach Litigation Dispute", a noteworthy cybersecurity incident.
Epic Systems has filed a motion to prevent the consolidation of its fraud lawsuit against Health Gorilla with ongoing data breach litigation, arguing that the cases lack sufficient overlap to justify multidistrict litigation (MDL).
Impact assessments are still underway, so the full scope is not yet clear.
Formal response steps have not been shared publicly yet.
The case underscores how Ongoing.
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 Trusted Relationship (T1199) with moderate confidence (60%), with evidence including fraud lawsuit against Health Gorilla, and epic’s strategy of using smaller defendants to build evidence. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating security failures, notification delays, and patient data access. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), with evidence including patient data compromised, and focuses on security failures and patient data access. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (50%), supported by evidence indicating data breach litigation focuses on...patient data access. Under the Impact tactic, the analysis identified Service Stop (T1489) with lower confidence (40%), supported by evidence indicating logistical burden of consolidation disrupting advanced fraud case and Financial Theft (T1657) with moderate confidence (60%), supported by evidence indicating fraud case hinges on alleged false treatment attestations and contract breaches. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Epic Systems Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/epicsystems/incident/EPI1788950406
- Epic Systems CyberSecurity Rating page: https://www.rankiteo.com/company/epicsystems
- Epic Systems Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/epi1788950406-epic-systems-breach-june-2026/
- Epic Systems CyberSecurity Score History: https://www.rankiteo.com/company/epicsystems/history
- Epic Systems CyberSecurity Incident Source: https://healthapiguy.substack.com/p/epic-v-health-gorilla-working-as
- 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