Every public data breach

47 disclosed this week · 26,367 on record

Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group

Disclosed Jul 15, 20243,435 affectedConfirmed

Official notice

The covered entity (CE), Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group, reported that an employee impermissibly accessed the medical records of 3,435 individuals. The protected health information (PHI) involved included names, dates of birth, addresses, email addresses, clinical information, phone numbers, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE revised its policies and procedures and sanctioned the workforce member involved.

What is known

People affected3,435 (as reported to HHS)
DisclosedJul 15, 2024
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to insiderby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 3435by backfillSource
summary2026-09-25
empty to The covered entity (CE), Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group, reported that an employee impermissibly accessed the medical records of 3,435 individuals. The protected health information (PHI) inby backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group