Incident Score: Analysis & Impact (SI-1780612090)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of SI Ob Gyn'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 SI Ob Gyn 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 SI Ob Gyn breach identified under incident ID SI-1780612090.
The analysis begins with a detailed overview of SI Ob Gyn's information like the linkedin page: https://www.linkedin.com/company/si-ob-gyn, the number of followers: 46, the industry type: Hospitals and Health Care and the number of employees: 4 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 697 with a difference of -65 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 SI Ob Gyn and their customers.
On 28 January 2026, Southern Illinois Ob-Gyn Associates disclosed Data Breach issues under the banner "Southern Illinois Ob-Gyn Associates Data Breach Exposes Sensitive Patient Information".
Southern Illinois Ob-Gyn Associates detected a data breach on November 24, 2025, after an unauthorized party accessed its systems.
The disruption is felt across the environment, and exposing Sensitive patient information including names, Social Security numbers, dates of birth, demographic details, health insurance numbers, and protected health information.
In response, and stakeholders are being briefed through Notification to affected individuals via sample letter submitted to the New Hampshire Attorney General’s Office.
The case underscores how Concluded, with advisories going out to stakeholders covering Notification 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 confidence (60%), supported by evidence indicating unauthorized party accessed its systems and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating ongoing vulnerabilities in healthcare data security. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating highly sensitive personal and medical records handled and OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating social Security numbers, health insurance numbers compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating names, SSNs, DOBs, demographic details, PHI compromised and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating healthcare provider with sensitive patient data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating intruder may have viewed or exfiltrated sensitive data and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating data breach detected after unauthorized access. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating unauthorized party accessed its systems and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating potential harm from privacy violations. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- SI Ob Gyn Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/si-ob-gyn/incident/SI-1780612090
- SI Ob Gyn CyberSecurity Rating page: https://www.rankiteo.com/company/si-ob-gyn
- SI Ob Gyn Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/si-1780612090-southern-illinois-ob-gyn-associates-breach-november-2025/
- SI Ob Gyn CyberSecurity Score History: https://www.rankiteo.com/company/si-ob-gyn/history
- SI Ob Gyn CyberSecurity Incident Source: https://www.classaction.org/data-breach-lawsuits/southern-illinois-ob-gyn-associates-may-2026
- 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