Incident Score: Analysis & Impact (INSGRE1772045793)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Insight Hospital and Medical Center's Ransomware 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 Insight Hospital and Medical Center 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 Insight Hospital and Medical Center breach identified under incident ID INSGRE1772045793.
The analysis begins with a detailed overview of Insight Hospital and Medical Center's information like the linkedin page: https://www.linkedin.com/company/insightchicago, the number of followers: 3096, the industry type: Hospitals and Health Care and the number of employees: 328 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 700 and after the incident was 604 with a difference of -96 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 Insight Hospital and Medical Center and their customers.
Insight Hospital & Medical Center recently reported "Data Breach at Insight Hospital & Medical Center in Chicago", a noteworthy cybersecurity incident.
Insight Hospital & Medical Center in Chicago disclosed an August 2025 data breach exposing sensitive patient information, including names, Social Security numbers, dates of birth, state-issued ID numbers, financial account details, treatment records, and health insurance data.
The disruption is felt across the environment, and exposing 360 GB (alleged by Termite), 200 GB (alleged by LockBit).
In response, and stakeholders are being briefed through Public breach notice (no free credit monitoring or identity theft protection offered).
The case underscores how Ongoing (unverified claims by threat actors), with advisories going out to stakeholders covering Breach notice issued to affected patients.
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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating unauthorized access between August 22 and September 11 and Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating detected unusual activity in its network in September 2025. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating two ransomware groups...claimed responsibility for the attack. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (70%), supported by evidence indicating exposing sensitive patient information, including...financial account details and Unsecured Credentials: Credentials In Files (T1552.001) with moderate confidence (60%), supported by evidence indicating treatment records, and health insurance data compromised. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (70%), supported by evidence indicating names, Social Security numbers, dates of birth, state-issued ID numbers and File and Directory Discovery (T1083) with moderate to high confidence (80%), supported by evidence indicating alleged data exfiltration of 360 GB and 200 GB. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating exposing sensitive patient information...treatment records, health insurance data and Data from Network Shared Drive (T1039) with moderate to high confidence (70%), supported by evidence indicating 360 GB of data...200 GB of stolen files alleged. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating alleged data exfiltration of 360 GB and 200 GB and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate confidence (60%), supported by evidence indicating two ransomware groups...claimed responsibility for the attack. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating type such as ransomware, Termite and LockBit claimed responsibility and Defacement: Internal Defacement (T1491.001) with lower confidence (40%), supported by evidence indicating disruption of hospital operations, potential cancellation of appointments. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (60%), supported by evidence indicating unauthorized access between August 22 and September 11 and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating detected unusual activity in its network in September 2025. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Insight Hospital and Medical Center Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/insightchicago/incident/INSGRE1772045793
- Insight Hospital and Medical Center CyberSecurity Rating page: https://www.rankiteo.com/company/insightchicago
- Insight Hospital and Medical Center Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/insgre1772045793-insight-hospital-medical-center-greater-pittsburgh-orthopedic-associates-ransomware-august-2025/
- Insight Hospital and Medical Center CyberSecurity Score History: https://www.rankiteo.com/company/insightchicago/history
- Insight Hospital and Medical Center CyberSecurity Incident Source: https://www.comparitech.com/news/insight-chicago-warns-patients-of-data-breach-claimed-by-two-ransomware-groups/
- 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