St. Joseph Health Breach Incident Score: Analysis & Impact (ST-1765583985)

In this Rankiteo incident briefing, we review the St. Joseph Health breach identified under incident ID ST-1765583985.

The analysis begins with a detailed overview of St. Joseph Health's information like the linkedin page: https://www.linkedin.com/company/st-joseph-health-system, the number of followers: 5777, the industry type: Hospitals and Health Care and the number of employees: 1073 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 752 and after the incident was 747 with a difference of -5 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 St. Joseph Health and their customers.

On 11 December 2025, St. Joseph Regional Hospital disclosed Labor Unionization issues under the banner "Unionization Vote by Registered Nurses at St. Joseph Regional Hospitals".

Registered nurses at St.

Impact assessments are still underway, so the full scope is not yet clear.

In response, and stakeholders are being briefed through Statements released by St. Joseph Health and Texas AFL-CIO.

The case underscores how Completed (vote results published), teams are taking away lessons such as Nurses emphasized the importance of having a say in patient care decisions, staffing, and recruitment/retention of experienced nurses to improve patient safety, and recommending next steps like Negotiate for safe staffing, safeguards against workplace violence, and prioritize patient care over profits in contract bargaining, with advisories going out to stakeholders covering Nurses will elect a bargaining team and prepare to negotiate their first contract with NNOC/NNU.

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.

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 moderate to high confidence (70%), supported by evidence indicating unionization under NNOC/NNU, which already represents 17,000+ nurses. Under the Impact tactic, the analysis identified Defacement (T1491) with moderate confidence (50%), supported by evidence indicating potential brand reputation impact due to unionization vote and Service Stoppage (T1489) with lower confidence (40%), supported by evidence indicating nurses cited staffing concerns and patient safety risks. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.