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Regulator-posted notice

Breach notice filed by Prospect Medical Holdings, Inc (September 2023)

Organization named: Prospect Medical Holdings, Inc Provisional: identity as filed, not yet matched to the directory

What the sources say

Indiana data breach year-to-date reports Primary notice

Listed in the Indiana Attorney General's data breach report for 2023 with a notification date of Sept. 29, 2023.

Organization as reported
Prospect Medical Holdings, Inc
Incident dates as reported
July 31, 2023
Notification date
Sept. 29, 2023
Observed by BreachRecords
2026-10-19 04:58 UTC (revision 37958, pdf:2023:page:25:row:884)
Archived copy
Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Figures, per source

  • 190,492 individuals affected (total reported), according to the Indiana Attorney General's data breach reports, source date Sept. 29, 2023, revision observed 2026-10-19.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Notification date (Indiana Attorney General)
  • Observed by BreachRecords (revision 37958)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Prospect Medical Holdings, Inc Named as the filer Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • bd44593c0dc7d1631ebe4eadcf82553ca3a4ea2fe7e7eabbfe6ce67bdf19bb2b
    application/pdf, 165,892 bytes, retrieved from Indiana Attorney General, 2026-10-19 04:58 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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