Kaiser Foundation Health Plan

Kaiser Foundation Health Plan notified California AG on Mar 16, 2012 of a data breach, which occurred on Sep 26, 2011. Data exposed: Social Security number, Medical / health information, Date of birth, Phone number, Postal address, Name.

All 7 filings by Kaiser Foundation Health Plan, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Kaiser Foundation Health Plan
Source: California AG · source record
Date reported: Mar 16, 2012
Date(s) of breach: Monday, September 26, 2011
Residents affected: Not published by this source
Data exposed: Social Security number Medical / health information Date of birth Phone number Postal address Name
Notice letter: Sample notice (PDF)
Days to notice: 172 days from the end of the breach window (Sep 26, 2011, no discovery date in the letter) to the California record (Mar 16, 2012). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter: 12 months of credit or identity monitoring
First seen by BreachTally: 2026-10-30 16:26 UTC

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

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Other filings by Kaiser Foundation Health Plan

Organization	Source	State	Reported	Residents affected	Data exposed
Kaiser Foundation Health Plan, Inc.	Oregon DOJ	OR	Apr 12, 2024	13,400,000	Not stated
Kaiser Foundation Health Plan, Inc.	California AG	CA	Apr 12, 2024	Not published	Social Security numberFinancial / bank accountUsernames / passwordsPostal address+1
Kaiser Foundation Health Plan, Inc.	California AG	CA	Dec 28, 2017	Not published	Social Security numberFinancial / bank accountMedical / health informationName
Kaiser Foundation Health Plan, Inc.	California AG	CA	Dec 5, 2017	Not published	Social Security numberFinancial / bank accountMedical / health informationDate of birth+2
Kaiser Foundation Health Plan	California AG	CA	Aug 31, 2017	Not published	Social Security numberFinancial / bank accountMedical / health informationEmail address+1
Kaiser Foundation Health Plan, Inc.	California AG	CA	Sep 11, 2013	Not published	Medical / health informationEmail addressPhone numberPostal 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.