Jupiter Medical Center Breach Incident Score: Analysis & Impact (CERJUP1769037969)

In this Rankiteo incident briefing, we review the Jupiter Medical Center breach identified under incident ID CERJUP1769037969.

The analysis begins with a detailed overview of Jupiter Medical Center's information like the linkedin page: https://www.linkedin.com/company/jupiter-medical-center, the number of followers: 16897, the industry type: Hospitals and Health Care and the number of employees: 1675 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 618 and after the incident was 561 with a difference of -57 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 Jupiter Medical Center and their customers.

On 21 January 2026, Jupiter Medical Center disclosed Data Breach issues under the banner "Jupiter Medical Center Third-Party Data Breach Impacting Health Records".

Jupiter Medical Center informed stakeholders about a data security incident involving Cerner Corporation, its third-party electronic health record (EHR) vendor.

The disruption is felt across the environment, affecting Third-party EHR system (Cerner Corporation), and exposing Sensitive patient data.

In response, and stakeholders are being briefed through Patient notifications and guidance on protecting personal information.

The case underscores how with advisories going out to stakeholders covering Guidance on protecting personal information provided 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.

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 Supply Chain Compromise (T1195) with high confidence (90%), with evidence including third-party electronic health record (EHR) vendor, and third-party vendor vulnerability. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (70%), with evidence including exposed sensitive patient data held by Cerner, and third-party EHR system (Cerner Corporation). Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), with evidence including health records compromised, and sensitive patient data exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), with evidence including data security incident involving Cerner Corporation, and exposed sensitive patient data and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating third-party EHR vendor (Cerner) systems affected. Under the Impact tactic, the analysis identified Defacement (T1491) with moderate confidence (50%), supported by evidence indicating patient notifications and guidance on protecting personal information and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating sensitive patient data held by Cerner exposed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.