Skip to content

Kaiser Foundation Health Plan

7 breaches13M affected in allHealthcare

BreachAffected
Disclosed Apr 12, 2024Apr 12, 20242 years agoRansomware13M
Disclosed Apr 6, 2022Apr 6, 20224 years agoInsider695
Disclosed Nov 7, 2019Nov 7, 20196 years agoInsider515
Disclosed Aug 31, 2017Aug 31, 20179 years agoInsider4,389
Disclosed Apr 22, 2016Apr 22, 201610 years agoLost or stolen device2,451
Disclosed Sep 11, 2013Sep 11, 201313 years agoUnknown
Disclosed Mar 16, 2012Mar 16, 201214 years agoUnknown
About

Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages.

  • 2026-09-25 · Kaiser Foundation Health Plan, 2016-04-22 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · records: 4389
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · attack: insider
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · data_types: ["names","health"]
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · records_basis: hhs
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · records: 638
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · summary: Kaiser Foundation Health Plan (Kaiser), the covered entity (CE), reported that it had impermissibly disclosed protected health information (PHI) due to a flaw in its mail merge and quality assurance process. The breach affected 638 individu
  • 2026-09-25 · Kaiser Foundation Health Plan, 2019-11-07 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2022-04-06 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · data_types: ["names","health"]
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · records_basis: hhs
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · records: 13400000
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · summary: The covered entity (CE), Kaiser Foundation Health Plan, Inc., reported that it disclosed the protected health information (PHI) for up to 13,134,908 individuals while using third-party tracking technologies. The PHI involved clinical, demog
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · attack: ransomware
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · discovered: 2023-05-31
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · occurred: 2023-05-31
  • 2026-09-25 · Kaiser Foundation Health Plan, 2012-03-16 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2013-09-11 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · disclosed: 2017-08-31
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · disclosed: 2017-12-05
  • 2026-09-25 · Kaiser Foundation Health Plan, 2017-08-31 · added
  • 2026-09-25 · Kaiser Foundation Health Plan, 2024-04-12 · added
  • 2026-09-25 · Kaiser Foundation Health Plan · added

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.