Incident Score: Analysis & Impact (KOO1782318826)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Kootenai County'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 Kootenai County 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 Kootenai County breach identified under incident ID KOO1782318826.
The analysis begins with a detailed overview of Kootenai County's information like the linkedin page: https://www.linkedin.com/company/kootenaicounty, the number of followers: 1394, the industry type: Government Administration and the number of employees: 358 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 635 with a difference of -127 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 Kootenai County and their customers.
On 22 June 2026, Kootenai County disclosed Ransomware issues under the banner "Kootenai County Ransomware Attack Impacting Personal Data".
Kootenai County, Idaho, disclosed a ransomware attack that compromised personal information in March 2026.
The disruption is felt across the environment, affecting County network, and exposing Personal information.
In response, and stakeholders are being briefed through Public disclosure, credit monitoring offered.
The case underscores how Ongoing, with advisories going out to stakeholders covering Free credit monitoring offered to eligible victims.
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 to their network and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access to their network (implied valid credentials). Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate to high confidence (70%), supported by evidence indicating ransomware attack (likely user-triggered execution). Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating personal information compromised (implies credential access). Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating sensitive data defined under Idaho law was exfiltrated. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration confirmed by forensic review. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating ransomware attack (implies data encryption). Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware attack (commonly uses obfuscation). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Kootenai County Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/kootenaicounty/incident/KOO1782318826
- Kootenai County CyberSecurity Rating page: https://www.rankiteo.com/company/kootenaicounty
- Kootenai County Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/koo1782318826-kootenai-county-ransomware-march-2026/
- Kootenai County CyberSecurity Score History: https://www.rankiteo.com/company/kootenaicounty/history
- Kootenai County CyberSecurity Incident Source: https://www.comparitech.com/news/kootenai-county-id-warns-residents-of-government-data-breach-that-leaked-personal-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