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NADAP Data Breach Exposes Personal Health Information of Over 5,000 Patients

NADAP Data Breach Exposes Personal Health Information of Over 5,000 Patients

First seen 14 Mar 2026, 07:41 UTC • •

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ThreatCluster AI
ThreatCluster •March 25, 2026 at 04:42 UTC
  • •NADAP experienced a data breach affecting over 5,000 patients' PHI.
  • •Unauthorized access occurred on or around November 26, 2025.
  • •Affected individuals are encouraged to monitor their credit and may pursue legal action.

The National Association on Drug Abuse Programs (NADAP) reported a data breach affecting personal and health information of clients and employees. The breach was discovered on January 10, 2026, but unauthorized access occurred on or around November 26, 2025. NYC Health + Hospitals confirmed that 5,086 patients had their protected health information (PHI) compromised, including names, Social Security numbers, and clinical information. NADAP has since enhanced security measures and notified relevant authorities, including law enforcement. Affected individuals are encouraged to monitor their credit and may be eligible for a class action lawsuit. NADAP is a key partner in NYC Health + Hospitals' Lead Health program, supporting underserved communities. The organization has provided resources for affected individuals to address potential identity theft.

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Updated 214d ago How this analysis works

Timeline

2025-11-26
Unauthorized access to NADAP systems occurred.
2026-01-10
NADAP discovered the data breach.
2026-01-27
NADAP confirmed the breach affected 5,086 patients.
2026-03-11
NYC Health + Hospitals issued a notification regarding the breach.
2026-03-14
ClassAction.org began investigating for potential class action lawsuit.

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