Incident Score: Analysis & Impact (ELM1776724835)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Elmwood Healthcare'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 Elmwood Healthcare 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 Elmwood Healthcare breach identified under incident ID ELM1776724835.
The analysis begins with a detailed overview of Elmwood Healthcare's information like the linkedin page: https://www.linkedin.com/company/elmwood-healthcare, the number of followers: 132, the industry type: Hospitals and Health Care and the number of employees: 25 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 762 and after the incident was 698 with a difference of -64 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 Elmwood Healthcare and their customers.
On 13 February 2026, Elmwood Healthcare disclosed Data Breach issues under the banner "Elmwood Healthcare Data Breach Exposes Sensitive Patient Information".
Elmwood Healthcare, a provider of home-based medical services operating in Rhode Island and Massachusetts, has confirmed a data breach involving unauthorized access to its systems.
The disruption is felt across the environment, and exposing Sensitive patient data including names, Social Security numbers, dates of birth, medical details, health insurance policy numbers, and other demographic data.
In response, and stakeholders are being briefed through Written notifications to affected individuals.
The case underscores how Ongoing, with advisories going out to stakeholders covering Written notifications to be sent once investigation concludes.
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 between January 24 and February 13, 2026 and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating suspicious activity identified, prompting investigation. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating access to files containing sensitive patient data and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating social Security numbers, medical details compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating files containing sensitive patient data potentially exfiltrated and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating medical details, health insurance policy numbers accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating potentially exfiltrated files containing sensitive data and Exfiltration Over Web Service (T1567) with moderate confidence (60%), supported by evidence indicating data breach involving unauthorized access to systems. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating suspicious activity identified, investigation ongoing and Data Manipulation (T1565) with lower confidence (30%), supported by evidence indicating potential class action lawsuits citing loss of privacy. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access remained undetected for ~20 days and Hide Artifacts (T1564) with moderate confidence (50%), supported by evidence indicating suspicious activity identified after the fact. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.