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St.Mary's Health

Disclosed Mar 5, 201511 years ago3,952 affectedConfirmed

Official notice

On December 3, 2014, the covered entity (CE), St. Mary’s Health, discovered that a phishing email attack compromised several employees’ user names and passwords. The breach affected approximately 3,952 individuals. The types of protected health information (PHI) involved in the breach included patients’ names, addresses, date of birth, clinical information, and in some instances, social security numbers. The CE provided breach notification to HHS, affected individuals and the media. Following the breach, the CE deployed a program to assist users in identifying phishing and malware attacks. OCR obtained documented assurances that the CE implemented the corrective actions listed above.

What is known

People affected3,952 (as reported to HHS)
DisclosedMar 5, 2015
HappenedDec 10, 2015
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalMar 5, 20153,952
Indiana AGresidents of INNov 16, 20151
Indiana AGresidents of INMar 9, 201646

Other breaches at St.Mary's Health

BreachAffected
Disclosed Feb 27, 2017Feb 27, 20179 years ago2
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: organization to hhs · backfill source
  • 2026-09-25 · records: 69 to 3952 · backfill source
  • 2026-09-25 · disclosed: 2015-11-16 to 2015-03-05 · backfill source
  • 2026-09-25 · summary: empty to On December 3, 2014, the covered entity (CE), St. Mary’s Health, discovered that a phishing email attack compromised several employees’ user names and passwords. The breach affected approximately 3,952 individuals. The types of protected he · backfill source
  • 2026-09-25 · disclosed: 2016-03-09 to 2015-11-16 · 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.

Everything about St.Mary's Health

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