Excel Home Care Services Breach Incident Score: Analysis & Impact (EXC1767920249)

In this Rankiteo incident briefing, we review the Excel Home Care Services breach identified under incident ID EXC1767920249.

The analysis begins with a detailed overview of Excel Home Care Services's information like the linkedin page: https://www.linkedin.com/company/excel-home-care-services, the number of followers: 42, the industry type: Hospitals and Health Care and the number of employees: 29 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 767 and after the incident was 704 with a difference of -63 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 Excel Home Care Services and their customers.

On 18 December 2025, Excellent Home Care Services, LLC disclosed Data Breach issues under the banner "Excellent Home Care Services, LLC Data Breach".

Excellent Home Care Services, LLC discovered that an employee's email account was accessed by an unauthorized third party, leading to a data breach that compromised sensitive personal and protected health information of individuals.

The disruption is felt across the environment, affecting Employee email account, and exposing Sensitive personal and protected health information.

In response, moved swiftly to contain the threat with measures like Secured the affected account, and stakeholders are being briefed through Notification letters sent to affected individuals on 2025-12-17.

The case underscores how Ongoing, with advisories going out to stakeholders covering Notification letters sent to affected individuals on 2025-12-17.

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 Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to an employee’s email account and Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (70%), supported by evidence indicating employee’s email account was accessed by an unauthorized third party. Under the Credential Access tactic, the analysis identified Brute Force: Password Guessing (T1110.001) with moderate confidence (60%), supported by evidence indicating unauthorized access to an employee’s email account (implied weak credentials) and Credentials from Password Stores (T1555) with moderate confidence (50%), supported by evidence indicating employee’s email account compromised (potential stored credentials abuse). Under the Collection tactic, the analysis identified Email Collection: Remote Email Collection (T1114.002) with high confidence (90%), supported by evidence indicating unauthorized access to an employee’s email account exposed sensitive data and Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating compromised data includes full names, SSNs, medical records. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating sensitive data exposed (implied exfiltration via email account) and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating email account access suggests cloud-based data exfiltration. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating medical records and care plans compromised (potential tampering) and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no evidence of destruction, but high-risk data exposure. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.