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Latest / California / September 2019

Kaiser Permanente

Kaiser Permanente notified California AG on Sep 26, 2019 of a data breach, which occurred on Aug 12, 2019. Data exposed: Social Security number, Financial / bank account, Medical / health information, Date of birth, Email address, Name.

All 3 filings by Kaiser Permanente, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Kaiser Permanente
Source
California AG · source record
Date reported
Sep 26, 2019
Date(s) of breach
Monday, August 12, 2019
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Medical / health information Date of birth Email address Name
Notice letter
Sample notice (PDF)
Discovered
Aug 19, 2019, as stated in the letter
"On August 19, 2019, we learned that a Kaiser Permanente provider’s email account containing your protected health information was compromised by an unknown individual for approximately thirteen hours on August 12, 2019."
Days to notice
38 days from discovery (Aug 19, 2019) to the California record (Sep 26, 2019). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
First seen by BreachTally
2026-10-30 16:12 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 16:12 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Kaiser Permanente

OrganizationSourceStateReportedResidents affectedData exposed
Kaiser Permanente California AG CA Oct 29, 2012 Not published Social Security numberMedical / health informationEmail addressPhone number+2
KAISER PERMANENTE California AG CA Apr 16, 2012 Not published Social Security numberMedical / health informationEmail addressPostal address+1

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.