Latest / California / February 2021

Kaiser Foundation Hospitals, Northern California

Kaiser Foundation Hospitals, Northern California notified California AG on Feb 23, 2021 of a data breach, which occurred on Dec 28, 2020. Data exposed: Social Security number, Financial / bank account, Date of birth, Email address, Phone number, Postal address, Name.

Organization
Kaiser Foundation Hospitals, Northern California
Source
California AG · source record
Date reported
Feb 23, 2021
Date(s) of breach
Thursday, January 1, 2015Monday, December 28, 2020
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Date of birth Email address Phone number Postal address Name
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 16:08 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 16:08 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

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