Incident Score: Analysis & Impact (DEA1782434222)
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 Dean Cosmetic Dentistry Ctr'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 Dean Cosmetic Dentistry Ctr 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 Dean Cosmetic Dentistry Ctr breach identified under incident ID DEA1782434222.
The analysis begins with a detailed overview of Dean Cosmetic Dentistry Ctr's information like the linkedin page: https://www.linkedin.com/company/dean-cosmetic-dentistry-ctr, the number of followers: 63, the industry type: Medical Practices and the number of employees: 11 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 756 and after the incident was 635 with a difference of -121 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 Dean Cosmetic Dentistry Ctr and their customers.
On 18 June 2026, Dean Cosmetic Dentistry Center disclosed Ransomware issues under the banner "Ransomware Attack Targets Dean Cosmetic Dentistry Center, Exposing Patient and Employee Data".
Dean Cosmetic Dentistry Center, a dental practice in Knoxville, Tennessee, has fallen victim to a ransomware attack, with the threat group NightSpire claiming to have stolen sensitive patient and employee records.
The disruption is felt across the environment, and exposing Patient records, invoice details, employee information (PHI and PII).
In response, and stakeholders are being briefed through Advising affected individuals to contact the office directly.
The case underscores how Ongoing, with advisories going out to stakeholders covering Current and former patients, as well as employees, advised to contact the office directly at 865-539-1119 (Monday–Friday, 8:00 a.m.–5:00 p.m.) for updates.
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 ransomware attack targeting healthcare provider with no specified vector and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating no details on initial access; ransomware often uses compromised 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 implies malicious file execution (e.g., phishing). Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate confidence (50%), supported by evidence indicating healthcare providers often store credentials in unsecured files and OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating ransomware groups commonly dump credentials for lateral movement. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating patient records, invoice details, and employee information compromised and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating healthcare data (PHI/PII) likely stored in centralized repositories. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating nightSpire claims to have exfiltrated data; ransomware threat posted on dark web and Exfiltration Over Web Service (T1567) with moderate confidence (60%), supported by evidence indicating dark web forum (Tor) used to announce data exfiltration. 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 as leverage and Defacement (T1491) with moderate confidence (50%), supported by evidence indicating threat group posted notice on dark web forum (Tor). Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (60%), supported by evidence indicating ransomware often uses obfuscation to evade detection and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating ransomware typically disables security tools during execution. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Dean Cosmetic Dentistry Ctr Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/dean-cosmetic-dentistry-ctr/incident/DEA1782434222
- Dean Cosmetic Dentistry Ctr CyberSecurity Rating page: https://www.rankiteo.com/company/dean-cosmetic-dentistry-ctr
- Dean Cosmetic Dentistry Ctr Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/dea1782434222-dean-cosmetic-dentistry-center-ransomware-june-2026/
- Dean Cosmetic Dentistry Ctr CyberSecurity Score History: https://www.rankiteo.com/company/dean-cosmetic-dentistry-ctr/history
- Dean Cosmetic Dentistry Ctr CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/dean-cosmetic-dentistry-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