UnknownHigh

Prospect Medical Holdings, Inc.

bd_01179efaed3e7535 · schema v1 · pii pii-v2

Severity

High

Discovered

—

Filed

Sep 29, 2023

To disclose

—

Affected · nationwide

190,4925 in this filing

Linked

13 filings

Confidence

95%

Full breach record for Prospect Medical Holdings, Inc. →

Prospect Medical Holdings, Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2023-07-31 and was reported on 2023-09-29. 5 Indiana residents were affected. 190,492 individuals affected in total.

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Leak gap clock⏱ Leak >30d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Jul 31, 2023

Begins

Sep 29, 2023

Filed

This filing is one of 13 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 36 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

HHS OCRbd_2fef4c679272ccd32023-09-29Verified
New Hampshire State AGbd_35efeda2e5a8d88f2023-09-29Verified
Maine State AGbd_6ef44d457fd8b2602023-09-29Verified
Vermont State AGbd_91573382e8c024192023-09-29Verified

Show 6 more filings ↓up to 154d gap

California State AGbd_bd24866d0fea52f92023-09-29Verified
Massachusetts State AGbd_c20d4bad3ff6d87f2023-09-29Verified
Montana State AGbd_f1bc0b4d5ad05a502023-09-29Verified
California State AGbd_e78b914f634463f72023-12-13 · +75dVerified
New Hampshire State AGbd_610b4d3b2e537df72024-02-29 · +153dVerified
Massachusetts State AGbd_e9100cb92bc339de2024-03-01 · +154dVerified

Showing first 10 of 12 linked disclosures.

Name: Prospect Medical Holdings, Inc.
norm: prospect medical
Domain: pmh.com

Name: Prospect Medical Holdings, Inc.
norm: prospect medical
Domain: pmh.com

Discovered: —
Breach occurred: Jul 31, 2023
Materiality determined: —
Notification sent: —
Affected individuals: 190,492state + nationwide
Data types: —
Attack vector: Unknown

Compliance flags: Leak >30d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 7 states

View merged incident ↗

HHS OCRSep 29 · first

New Hampshire State AGSep 29 · first

Maine State AGSep 29 · first

Vermont State AGSep 29 · first

California State AGSep 29 · first

Massachusetts State AGSep 29 · first

Montana State AGSep 29 · first

Indiana State AGSep 29 · first · this page

California State AG+75d

New Hampshire State AG+153d

Massachusetts State AG+154d

Pattern: first filing Sep 29 (CA), last Mar 1 (MA) — a 154-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 29, 2023
Raw hash: 7b5554cb8d3560af1e7a29ee3dcdb5de42d71a9bf1a247c1b9f3e9e3fc8f7176

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityProspect Medical Holdings, Inc.

Victim entityProspect Medical Holdings, Inc.

IncidentUnknown

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.in.gov