Incident Score: Analysis & Impact (COT1770703474)
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 Cottage Hospital'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 Cottage Hospital 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 Cottage Hospital breach identified under incident ID COT1770703474.
The analysis begins with a detailed overview of Cottage Hospital's information like the linkedin page: https://www.linkedin.com/company/cottage-hospital, the number of followers: 3371, the industry type: Hospitals and Health Care and the number of employees: 520 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 764 and after the incident was 688 with a difference of -76 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 Cottage Hospital and their customers.
On 27 January 2026, Cottage Hospital disclosed Data Breach issues under the banner "Cottage Hospital Data Breach Exposes Sensitive Information of Over 2,100 Individuals".
Cottage Hospital disclosed a data breach affecting 2,156 individuals across the U.S.
The disruption is felt across the environment, affecting File server within the hospital’s network, and exposing Names, Social Security numbers, driver’s license numbers, bank account details, medical and health insurance information, with nearly 2156 records at risk.
In response, moved swiftly to contain the threat with measures like Enhanced security measures implemented, and began remediation that includes Ongoing employee training, additional safeguards assessment, and stakeholders are being briefed through Written notifications sent to affected individuals, public notice posted on hospital’s website, dedicated call center established.
The case underscores how Ongoing, with advisories going out to stakeholders covering Complimentary one-year membership to Experian’s IdentityWorks credit monitoring and identity theft protection service offered to affected individuals. Dedicated call center (833-918-4978) established for assistance.
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 (80%), supported by evidence indicating unauthorized access to a file server within the hospital’s network and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating intrusion was not detected until December 8, 2025. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating access maintained between October 14 and October 21, 2025. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating social Security numbers, driver’s license numbers, bank account details exposed. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to a file server within the hospital’s network. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating names, SSNs, driver’s license numbers, bank account details compromised and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating medical and health insurance information may have been compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data breach affecting 2,156 individuals across the U.S.. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with moderate confidence (50%), supported by evidence indicating unauthorized access to a file server within the hospital’s network and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no details on extent of breach or data integrity. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Cottage Hospital Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/cottage-hospital/incident/COT1770703474
- Cottage Hospital CyberSecurity Rating page: https://www.rankiteo.com/company/cottage-hospital
- Cottage Hospital Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/cot1770703474-cottage-hospital-breach-october-2025/
- Cottage Hospital CyberSecurity Score History: https://www.rankiteo.com/company/cottage-hospital/history
- Cottage Hospital CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/cottage-hospital-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