HackingHealthcareHealthcareCustomer Data InvolvedPIIIdentity (basic)LowContained

Glendale Obstetrics & Gynecology PCA

bd_b60e6375970367a4 · schema v1 · pii pii-v2

Severity

Low

Discovered

Oct 25, 2025

Filed

Apr 9, 2026

To disclose

24 weeks

Affected

9state residents only

Linked

3 filings

Confidence

66%

Full breach record for Glendale Obstetrics & Gynecology PCA →2 incidents on file

Glendale Obstetrics & Gynecology notified Montana regulators of a data security incident discovered on October 25, 2025, involving unauthorized acquisition of files containing patient names. The breach was contained, and notification letters were sent on April 9, 2026, offering 12 months of credit monitoring services.

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Incident timeline

discovery → filing · 24 weeks / 166 days

Oct 25, 2025

Begins

Oct 25, 2025

Discovered

Apr 9, 2026

Filed

vs. sector median

+11 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_9f87e35c289085be2026-04-13 · +4dCandidate
Massachusetts State AGbd_b517ece5cd64d8882026-05-26 · +47dVerified

Name: Glendale Obstetrics & Gynecology PCA
norm: glendale obstetrics gynecology pca

Name: Glendale Obstetrics & Gynecology PCA
norm: glendale obstetrics gynecology pca
Industry: Healthcarellm

Discovered: Oct 25, 2025
Breach occurred: Oct 25, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 9, 2026
Affected individuals: 9state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Took immediate steps to ensure the security of the environment
Launched an investigation to determine the nature and scope of the incident
Implemented additional security features to reduce the risk of a similar incident occurring in the future
Offering you the opportunity to enroll in Single Bureau Credit Monitoring / Single Bureau Credit Report / Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(166 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGApr 9 · first · this page

New Hampshire State AG+4d

Massachusetts State AG+47d

Pattern: first filing Apr 9 (MT), last May 26 (MA) — a 47-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/2026/09/Consumer-notification-letter-5.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 9, 2026
Raw hash: b48a0fb8d88dbc0574f4152069233c32657af1723dc1e158095bb440911a9da4

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityGlendale Obstetrics & Gynecology PCA

Victim entityGlendale Obstetrics & Gynecology PCA

Incidentdiscovered Oct 25, 2025

Stated responseTook immediate steps to ensure the security of the environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov