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 2021

Data breach notices filed with the California Attorney General in 2021: 3 breaches. Each breach page shows the official filing and any other agencies the breach was reported to.

Updated Oct 21, 2026 · Showing 1–3 of 3

Organization Filed in California People affected Information exposed Filed with
T-Mobile USAT-Mobile USA breach history At least 2,079,648
  • Social Security number
  • Driver's license
  • Date of birth
  • +1 more
 Washington AG, California AG
NEC Networks, LLC d/b/a CaptureRxNEC Networks, LLC breach history 2,600,000
  • Medical information
  • Date of birth
  • Name
 Washington AG, HHS, California AG
20/20 Eye Care Network, Inc.20/20 Eye Care Network, Inc. breach history 4,142,440
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 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.