HackingHealthcareHealthcareStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)PHIMediumActive

Methodist McKinney Hospital

bd_5176ebe3f188763e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 5, 2022

Filed

Aug 26, 2022

To disclose

7 weeks

Affected

26state residents only

Linked

4 filings

Confidence

65%

Full breach record for Methodist McKinney Hospital →

Methodist McKinney Hospital notified patients of unauthorized access to systems containing patient data between May 20 and July 7, 2022. The breach, discovered on July 5, 2022, exposed names, SSNs, DOBs, and PHI. The hospital engaged third-party investigators, reported to federal law enforcement, and offered credit monitoring.

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Incident timeline

undetected · 46 days

discovery → filing · 7 weeks / 52 days

May 20, 2022

Begins

Jul 5, 2022

Discovered

Aug 26, 2022

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

HHS OCRbd_1525da6a8475ed892022-08-26Verified
New Hampshire State AGbd_b04fa9df6fbe7f9e2022-08-29 · +3dVerified
Massachusetts State AGbd_cbdf2f1d8be304282022-08-23 · +3dVerified

Name: Methodist McKinney Hospital
norm: methodist mckinney hospital

Name: Methodist McKinney Hospital
norm: methodist mckinney hospital
Industry: Healthcarellm

Discovered: Jul 5, 2022
Breach occurred: May 20, 2022 – Jul 7, 2022
Undetected for: 46 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 26, 2022
Affected individuals: 26state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: reported this event to federal law enforcement
Initial access: valid_credentials

During the incident: Took steps to better ensure the integrity of our network
Begin an investigation with the assistance of a third-party company
Conducting a detailed review to determine what information was present
Reviewing and enhancing existing policies and procedures
Implementing additional safeguards to further secure the information
Reported this event to federal law enforcement
Offering you access to 12/24 months of credit monitoring and identity protection services at no cost to you through IDX
Changes made: Reviewing and enhancing existing policies and procedures
Implementing additional safeguards to further secure the information in our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGAug 23 · first

HHS OCR+3d

Montana State AG+3d · this page

New Hampshire State AG+6d

Pattern: first filing Aug 23 (MA), last Aug 29 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-520.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 26, 2022
Raw hash: 6d8c2cd6ac49221cbbbfb8dc554959a5f5e9d9fe41ab256be397f9432f07ed23

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMethodist McKinney Hospital

Victim entityMethodist McKinney Hospital

Incidentdiscovered Jul 5, 2022

Stated responseTook steps to better ensure the integrity of our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov