Incident Score: Analysis & Impact (DIGST-CLI1781224155)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Clinical Registry Solutions'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 Clinical Registry Solutions 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 Clinical Registry Solutions breach identified under incident ID DIGST-CLI1781224155.
The analysis begins with a detailed overview of Clinical Registry Solutions's information like the linkedin page: https://www.linkedin.com/company/clinical-registry-solutions, the number of followers: 543, the industry type: Hospitals and Health Care and the number of employees: 16 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 760 and after the incident was 695 with a difference of -65 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 Clinical Registry Solutions and their customers.
On 09 April 2026, Clinical Registry Solutions (CRS) disclosed Data Breach, Ransomware issues under the banner "Cyberattack on Clinical Registry Solutions Exposes Patient and Employee Data".
Brooklyn-based healthcare data management firm Clinical Registry Solutions (CRS) disclosed a data breach affecting patient information it maintained for St.
The disruption is felt across the environment, affecting Clinical Registry Solutions network, and exposing 41 GB.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Investigation initiated, and began remediation that includes Breach notifications, credit monitoring, fraud alerts, credit freezes, while recovery efforts such as Dedicated call center established continue, and stakeholders are being briefed through Letters to affected individuals, public disclosure.
The case underscores how Ongoing, teams are taking away lessons such as Highlights risks of third-party vendor breaches in healthcare, where sensitive data is shared across multiple entities, and recommending next steps like Enhanced vendor security assessments, stricter access controls, and improved monitoring for unauthorized access, with advisories going out to stakeholders covering Letters sent to affected individuals with guidance on fraud alerts, credit freezes, and credit monitoring.
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 Trusted Relationship (T1199) with high confidence (90%), with evidence including third-party vendor breaches in healthcare, and clinical Registry Solutions (CRS) network accessed and Valid Accounts (T1078) with moderate to high confidence (70%), with evidence including unauthorized party accessed its systems, and suspicious activity detected. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating akira ransomware group claimed responsibility. 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 corporate documents, financial records, contracts compromised and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating employee PII including passports, driver’s licenses, SSNs exfiltrated. Under the Discovery tactic, the analysis identified File and Directory Discovery (T1083) with moderate to high confidence (80%), with evidence including 41 GB of data exfiltrated, and patient and employee data accessed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating names, medical record numbers, procedure dates compromised and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating clinical data abstraction and registry support systems accessed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 41 GB of data exfiltrated by Akira ransomware group. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with lower confidence (40%), supported by evidence indicating akira ransomware group involvement and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (30%), supported by evidence indicating no evidence of misuse for fraud or identity theft. Under the Defense Evasion tactic, the analysis identified Indicator Removal: Clear Windows Event Logs (T1070.001) with moderate confidence (50%), supported by evidence indicating suspicious activity detected on April 9, 2026 and Hide Artifacts: Hidden Files and Directories (T1564.001) with lower confidence (40%), supported by evidence indicating discrepancy between CRS disclosure and Akira’s claims. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Clinical Registry Solutions Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/clinical-registry-solutions/incident/DIGST-CLI1781224155
- Clinical Registry Solutions CyberSecurity Rating page: https://www.rankiteo.com/company/clinical-registry-solutions
- Clinical Registry Solutions Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/digst-cli1781224155-dignity-health-st-marys-medical-center-clinical-registry-solutions-breach-april-2026/
- Clinical Registry Solutions CyberSecurity Score History: https://www.rankiteo.com/company/clinical-registry-solutions/history
- Clinical Registry Solutions CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/clinical-registry-solutions-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