Incident Score: Analysis & Impact (SI-1780598337)
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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-1780598337.
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 703 and after the incident was 626 with a difference of -77 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 22 May 2026, Southern Illinois Ob-Gyn Associates disclosed Data Breach issues under the banner "Southern Illinois Ob-Gyn Associates Data Breach".
Southern Illinois Ob-Gyn Associates, a women’s healthcare provider with locations in Carbondale and Herrin, Illinois, has disclosed a data breach impacting approximately 38,700 individuals across the U.S.
The disruption is felt across the environment, and exposing True, with nearly 38700 records at risk.
In response, and stakeholders are being briefed through Mailed notification letters (planned).
The case underscores how Under review, with advisories going out to stakeholders covering Patients advised to monitor mail for official correspondence and contact the practice for details.
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 healthcare provider with locations in Carbondale and Herrin and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating details surrounding the breach remain limited. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating high (healthcare data) sensitivity_of_data and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating 38,700 individuals impacted. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating data breach impacting approximately 38,700 individuals and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating high (healthcare data) sensitivity_of_data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating 38,700 individuals impacted across the U.S. and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating details surrounding the breach remain limited. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (40%), supported by evidence indicating impact with customers data leaks and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (30%), supported by evidence indicating identity theft risk such as true. 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-1780598337
- 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-1780598337-southern-illinois-ob-gyn-associates-breach-may-2026/
- SI Ob Gyn CyberSecurity Score History: https://www.rankiteo.com/company/si-ob-gyn/history
- SI Ob Gyn CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/southern-illinois-ob-gyn-associates-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