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Latest / California / October 2012

Kaiser Permanente

Kaiser Permanente notified California AG on Oct 29, 2012 of a data breach, which occurred on Aug 24, 2012. Data exposed: Social Security number, Medical / health information, Email address, Phone number, Postal 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
Oct 29, 2012
Date(s) of breach
Friday, August 24, 2012
Residents affected
Not published by this source
Data exposed
Social Security number Medical / health information Email address Phone number Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
66 days from the end of the breach window (Aug 24, 2012, no discovery date in the letter) to the California record (Oct 29, 2012). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally
2026-10-30 16:25 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 16:25 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 Sep 26, 2019 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+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.