Incident Score: Analysis & Impact (MTI1770415079)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of MTI America'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 MTI America 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 MTI America breach identified under incident ID MTI1770415079.
The analysis begins with a detailed overview of MTI America's information like the linkedin page: https://www.linkedin.com/company/mtiamerica, the number of followers: 4924, the industry type: Hospitals and Health Care and the number of employees: 261 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 660 with a difference of -102 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 MTI America and their customers.
On 06 February 2026, MTI America disclosed Ransomware issues under the banner "MTI America Suffers Ransomware Attack by Sinobi Group, Exposing Sensitive Data".
MTI America, a healthcare solutions provider specializing in workers’ compensation, disclosed a data breach affecting an undisclosed number of individuals after a ransomware attack by the Sinobi group.
The disruption is felt across the environment, and exposing 120 GB of data, including financial records, customer information, and contracts.
In response, teams activated the incident response plan, and began remediation that includes Additional security measures implemented, and stakeholders are being briefed through Notification by mail to affected individuals.
The case underscores how Ongoing (as of disclosure), and recommending next steps like Enhanced security measures to prevent unauthorized access; credit monitoring and identity protection services for affected individuals, with advisories going out to stakeholders covering 12 months of complimentary credit monitoring and identity protection services offered to affected individuals.
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 the company’s network between September 6 and 9, 2025 and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating sinobi group claimed responsibility for unauthorized access. 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 by the Sinobi group. Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access to the network for multiple days. Under the Privilege Escalation tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating access to sensitive data including financial records and contracts. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate confidence (50%), supported by evidence indicating ransomware attack detected after unauthorized access period. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating exposed names and Social Security numbers of individuals. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (70%), supported by evidence indicating access to customer information and financial records. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 120 GB of data exfiltrated, including contracts and financial records. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating sinobi group claimed exfiltration of 120 GB of data. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (70%), supported by evidence indicating ransomware attack by Sinobi group and Data Destruction (T1485) with moderate confidence (50%), supported by evidence indicating threat actors warned they would publish stolen data. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- MTI America Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/mtiamerica/incident/MTI1770415079
- MTI America CyberSecurity Rating page: https://www.rankiteo.com/company/mtiamerica
- MTI America Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mti1770415079-mti-america-ransomware-september-2025/
- MTI America CyberSecurity Score History: https://www.rankiteo.com/company/mtiamerica/history
- MTI America CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/mti-america-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