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Northwestern Health Sciences University

Disclosed May 21, 20197 years ago3,499 affectedConfirmed

Official notice

The covered entity (CE), Northwestern Health Sciences University (NHSU), reported that several employees were the victims of an email phishing attack. This breach affected 1,198 individuals and the protected health information (PHI) involved included names, Social Security numbers, drivers’ license numbers, passport information, diagnostic information, treatment information, medications prescribed, and health insurance information. The CE notified HHS, affected individuals, the media, and offered complimentary credit monitoring and identity theft services to all affected individuals. In addition, the CE implemented additional administrative, technical, and security safeguards and retrained its staff on the proper methods of identifying fraudulent email communications. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected3,499 (as reported by the organization)
DisclosedMay 21, 2019
HappenedOct 16, 2018
AttackHacking
Data exposedNames, Social Security numbers, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Indiana AGresidents of INMay 21, 20196
HHS archivetotalMay 21, 20191,198
Maine AGresidents of MEMay 24, 20192
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: ["names","ssn"] to ["names","ssn","health"] · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), Northwestern Health Sciences University (NHSU), reported that several employees were the victims of an email phishing attack. This breach affected 1,198 individuals and the protected health information (PHI) involve · backfill source
  • 2026-09-25 · data_types: [] to ["names","ssn"] · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

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