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44 disclosed this week · 26,355 on record

Kaiser Permanente

Disclosed Apr 25, 202413,400,000 affectedUnverified

Tracking code on Kaiser websites and apps shared data of 13.4 million members

Kaiser Permanente said information from about 13.4 million current and former members and patients was transmitted to third-party advertisers through tracking technologies installed on its websites and mobile apps.

What is known

People affected13,400,000 (as reported by the organization)
DisclosedApr 25, 2024
AttackExposed data
Data exposedNamesIP addressesHealthOther
SectorHealthcare · US
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

Other breaches at Kaiser Permanente

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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