Incident Score: Analysis & Impact (PAL1774024568)

In this Rankiteo incident briefing, we review the Palomar Health Medical Group breach identified under incident ID PAL1774024568.

The analysis begins with a detailed overview of Palomar Health Medical Group's information like the linkedin page: https://www.linkedin.com/company/palomarhealthmedicalgroup, the number of followers: 3678, the industry type: Hospitals and Health Care and the number of employees: 352 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 763 and after the incident was 686 with a difference of -77 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 Palomar Health Medical Group and their customers.

On 15 October 2025, Palomar Health Medical Group (PHMG) / Arch Health Partners Inc. disclosed Data Breach issues under the banner "Palomar Health Medical Group Suffers Major Data Breach Affecting Thousands".

Between April 23 and May 5, 2024, Palomar Health Medical Group (PHMG), operating as Arch Health Partners Inc., experienced a significant data breach after an unauthorized actor gained access to its computer systems.

The disruption is felt across the environment, and exposing Personally identifiable information (PII) and protected health information (PHI), with nearly Thousands records at risk.

In response, and stakeholders are being briefed through Mailed notices to affected individuals.

The case underscores how Completed, and recommending next steps like Affected individuals advised to monitor accounts and credit reports for suspicious activity over the next 12 to 24 months, with advisories going out to stakeholders covering Complimentary credit monitoring and identity restoration services through Experian, including daily credit monitoring, identity theft insurance, and restoration assistance.

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.