Incident Score: Analysis & Impact (CLAINS1780504049)
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 CLAINS1780504049.
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 608 and after the incident was 428 with a difference of -180 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.
On 15 December 2025, Clarinda Regional Health Center (CRHC) disclosed Ransomware issues under the banner "LockBit Ransomware Group Claims Responsibility for Iowa Hospital Data Breach Affecting 24,000 Patients".
Clarinda Regional Health Center (CRHC), a 47-bed hospital in southwest Iowa, has notified 24,341 individuals of a data breach exposing sensitive personal and medical information.
The disruption is felt across the environment, and exposing Sensitive personal and medical information, including names, Social Security numbers, medical records, health insurance details, financial account numbers, taxpayer IDs, dates of birth, and driver’s license numbers, with nearly 24,341 records at risk.
In response, and stakeholders are being briefed through Notification to affected individuals, offering 12 months of free credit monitoring.
The case underscores how Ongoing, with advisories going out to stakeholders covering Notification to affected individuals, offering 12 months of free credit monitoring through TransUnion (enrollment open for 90 days from notice date).
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 (60%), supported by evidence indicating unauthorized access may have occurred as early as October 2025 and Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating lockBit ransomware group claimed responsibility (RaaS model). Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (80%), supported by evidence indicating lockBit ransomware group 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 sSNs, financial account numbers, and taxpayer IDs compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating medical records, health insurance details, and PII compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating 24,341 records exposed; LockBit claimed responsibility. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with high confidence (90%), supported by evidence indicating ransomware attack; disruption of critical systems reported and Defacement (T1491) with moderate confidence (50%), supported by evidence indicating lockBit publicly claimed responsibility for the breach. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating lockBit ransomware is known for obfuscation techniques and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (60%), supported by evidence indicating disruption of critical systems, manual record-keeping required. 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/CLAINS1780504049
- 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/clains1780504049-clarinda-regional-health-center-insight-hospital-medical-center-ransomware-october-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/iowa-hospital-warns-24000-people-of-data-breach-that-leaked-ssns-medical-and-financial-info/
- 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