Incident Score: Analysis & Impact (DEL1773441442)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Delta Medical Systems'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 Delta Medical Systems 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 Delta Medical Systems breach identified under incident ID DEL1773441442.
The analysis begins with a detailed overview of Delta Medical Systems's information like the linkedin page: https://www.linkedin.com/company/delta-medical-systems, the number of followers: 11602, the industry type: Medical Equipment Manufacturing and the number of employees: 107 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 759 and after the incident was 686 with a difference of -73 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 Delta Medical Systems and their customers.
On 06 March 2026, Delta Medical Systems disclosed Data Breach issues under the banner "Delta Medical Systems Data Breach Exposes Sensitive Patient and Financial Information".
Delta Medical Systems, a Wisconsin-based provider of medical imaging services, disclosed a data breach that compromised sensitive personal and financial information.
The disruption is felt across the environment, affecting Email environment, and exposing Sensitive personal and financial information, including Social Security numbers, driver’s license details, dates of birth, bank account and routing numbers, medical records, and health insurance information.
In response, moved swiftly to contain the threat with measures like Systems secured, and stakeholders are being briefed through Notifications sent to impacted individuals.
The case underscores how Concluded (November 2025), with advisories going out to stakeholders covering Notifications sent to impacted individuals by March 6, 2026.
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 Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to the company’s email environment and Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating unauthorized access to the company’s email environment. Under the Credential Access tactic, the analysis identified Email Collection: Remote Email Collection (T1114.002) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to the company’s email environment and Unsecured Credentials: Email Credentials (T1552.008) with moderate to high confidence (70%), supported by evidence indicating compromised sensitive personal and financial information via email. Under the Collection tactic, the analysis identified Email Collection: Remote Email Collection (T1114.002) with high confidence (90%), supported by evidence indicating exposed data includes SSNs, driver’s license details, medical records and Data from Information Repositories: Sharepoint (T1213.002) with moderate confidence (50%), supported by evidence indicating email environment likely contained linked repositories. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating unauthorized parties had accessed or acquired data and Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol (T1048.003) with moderate confidence (60%), supported by evidence indicating data breach disclosed after review concluded in November 2025. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating potential legal recourse under data protection laws and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating attack threatening the organizations existence. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Delta Medical Systems Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/delta-medical-systems/incident/DEL1773441442
- Delta Medical Systems CyberSecurity Rating page: https://www.rankiteo.com/company/delta-medical-systems
- Delta Medical Systems Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/del1773441442-delta-medical-systems-breach-july-2025/
- Delta Medical Systems CyberSecurity Score History: https://www.rankiteo.com/company/delta-medical-systems/history
- Delta Medical Systems CyberSecurity Incident Source: https://www.claimdepot.com/investigations/delta-medical-systems-data-breach-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