NYC Health + Hospitals Breach Incident Score: Analysis & Impact (NYC1773398395)

In this Rankiteo incident briefing, we review the NYC Health + Hospitals breach identified under incident ID NYC1773398395.

The analysis begins with a detailed overview of NYC Health + Hospitals's information like the linkedin page: https://www.linkedin.com/company/nyc-health-and-hospitals-corporation, the number of followers: 233587, the industry type: Hospitals and Health Care and the number of employees: 15924 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 789 and after the incident was 725 with a difference of -64 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 NYC Health + Hospitals and their customers.

On 11 March 2026, National Association on Drug Abuse Programs (NADAP) disclosed Data Breach issues under the banner "NYC Health + Hospitals Partner Suffers Cyberattack, Exposing Patient Data".

In November 2025, the National Association on Drug Abuse Programs (NADAP), a care management partner of NYC Health + Hospitals, fell victim to a cyberattack that compromised the sensitive data of 5,086 patients.

The disruption is felt across the environment, and exposing Protected health information (names, Social Security numbers, dates of birth, treatment details, diagnoses, medications, Medicaid ID numbers), potential financial data (tax information), with nearly 5086 records at risk.

In response, moved swiftly to contain the threat with measures like Affected systems taken offline, and stakeholders are being briefed through Breach notification issued to affected patients on March 11, 2026.

The case underscores how Ongoing, with advisories going out to stakeholders covering Breach notification issued to affected patients on March 11, 2026.

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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating cyberattack that compromised the sensitive data of 5,086 patients and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access exposed protected health information. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate to high confidence (70%), supported by evidence indicating exposed names, Social Security numbers, dates of birth, Medicaid ID numbers and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating compromised sensitive data including treatment details and diagnoses. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating exposed protected health information, including names, SSNs, treatment details and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating nADAP provides care coordination and substance abuse treatment support. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data breach impacting 5,086 patients and Transfer Data to Cloud Account (T1537) with lower confidence (40%), supported by evidence indicating unauthorized access to sensitive data. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating affected systems taken offline and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating pending class action lawsuit suggests financial data compromised. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.