HackingHealthcareHealthcareDelayed DiscoveryCustomer Data InvolvedIdentity (basic)Government IDHigh

McPherson Hospital, Inc.

bd_b23c94d995f66354 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 15, 2023

Filed

May 4, 2023

To disclose

7 weeks

Affected · nationwide

19,0201 in this filing

Linked

4 filings

Confidence

65%

Full breach record for McPherson Hospital, Inc. →2 incidents on file

McPherson Hospital, Inc. experienced an external system breach on July 12, 2022, which was discovered on March 15, 2023. The breach affected 19,020 individuals, compromising names and driver's license or other non-driver identification card numbers. Affected individuals were notified on May 4, 2023, and offered 12 months of credit monitoring and identity theft protection services through TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 15, 2023 → Filed with AG May 4, 202350d ⏱ ME AG >30d7 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 246 days

discovery → filing · 7 weeks / 50 days

Jul 12, 2022

Begins

Mar 15, 2023

Discovered

May 4, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_0f4b288b235e13112023-05-04Verified
Massachusetts State AGbd_3ca07a9bedf97a742023-05-04Verified
Montana State AGbd_c04b96069b61c4452023-05-04Verified by operator

Name: McPherson Hospital, Inc.
norm: mcpherson hospital
Domain: mcphersonoil.com

Name: McPherson Hospital, Inc.
norm: mcpherson hospital
Industry: Healthcarellm

Discovered: Mar 15, 2023
Breach occurred: Jul 12, 2022
Undetected for: 246 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 4, 2023
Affected individuals: 19,020state + nationwide
Data types: Identity (basic)Government ID
Data elements: Driver's licence number
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Notified affected individuals in writing
Offered 12 months of credit monitoring and identity theft protection with TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: ME AG >30d · 50d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 15, 2023
→ Filed with AG: May 4, 2023
50d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 15, 2023 → Filed with AG: May 4, 2023	50d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGMay 4 · first

Massachusetts State AGMay 4 · first

Montana State AGMay 4 · first

Maine State AGMay 4 · first · this page

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.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e65dea74-7be2-40f7-af77-392dc0b1dec4.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 4, 2023
Raw hash: f98568d46881624a4711ac03a56666d2a78bf0ab7e4740f5a91d39b589899a17

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMcPherson Hospital, Inc.

Victim entityMcPherson Hospital, Inc.

Incidentdiscovered Mar 15, 2023

Stated responseNotified affected individuals in writing

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov