Independent public-records tracker. Not a government website.Facts from official state, HHS and SEC filings
BreachRecord

Data breaches reported to the California Attorney General in 2023

Data breach notices filed with the California Attorney General in 2023: 10 breaches. Each breach page shows the official filing and any other agencies the breach was reported to.

Updated Oct 21, 2026 · Showing 1–10 of 10

Organization Filed in California People affected Information exposed Filed with
ESO Solutions, Inc.ESO Solutions, Inc. breach history 2,700,000
  • Social Security number
  • Medical information
  • Date of birth
  • +1 more
 HHS, California AG, Washington AG
Comcast Cable Communications LLCComcast Cable Communications LLC breach history At least 3,100,608
  • Social Security number
  • Date of birth
  • Username and password
  • +1 more
 Washington AG, California AG
Perry Johnson & Associates, Inc. (PJ&A)Perry Johnson & Associates, Inc. breach history 9,302,588
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
 Washington AG, HHS, California AG
Postmeds, Inc.Postmeds, Inc. breach history 2,369,026
  • Social Security number
  • Medical information
  • Name
 Washington AG, HHS, California AG
Colorado Department of Health Care Policy & FinancingColorado Department of Health Care Policy & Financing breach history 4,091,794
  • Medical information
 HHS, California AG
HCA HealthcareHCA Healthcare breach history 11,270,000
  • Medical information
  • Date of birth
  • Name
  • +1 more
 HHS, Washington AG, California AG
Pension Benefit Information, LLCPension Benefit Information, LLC breach history 1,866,694
  • Social Security number
  • Medical information
  • Date of birth
  • +2 more
 California AG, Washington AG, HHS
Managed Care of North America, Inc.Managed Care of North America, Inc. breach history 8,627,242
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
 Washington AG, HHS, California AG
NationsBenefits Holdings, LLCNationsBenefits Holdings, LLC breach history 3,099,502
  • Medical information
 HHS, California AG
Cerebral, IncCerebral, Inc breach history 3,179,835
  • Medical information
  • Date of birth
  • Name
  • +1 more
 HHS, Washington AG, California AG

Other years

People affected is the official total from a filing, or “At least” the sum of state filings where no total was filed. Spotted an error? Report a correction.