HackingHealthcareHealthcareDelayed DiscoveryIdentity (basic)Government IDHealth (basic)MediumContained

OB-GYN ASSOCIATES OF GREEN BAY, LTD.

bd_635dc936fe30084a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 7, 2025

Filed

Oct 29, 2025

To disclose

12 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

67%

Full breach record for OB-GYN ASSOCIATES OF GREEN BAY, LTD. →

OB-GYN Associates notified Vermont AG on Oct 29, 2025, of a network security incident detected on Aug 7, 2025. An unauthorized third party accessed the network, potentially exposing names, SSNs, driver's license numbers, and medical information. The investigation concluded on Sep 29, 2025. The FBI was notified. Affected individuals were offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday12 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 12 weeks / 83 days

Aug 7, 2025

Discovered

Oct 29, 2025

Filed

vs. sector median

1 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_568cc758d8ba05692025-10-29Verified
Maine State AGbd_73c60735d4e969b82025-10-29Verified
California State AGbd_7ff948a8f329576d2025-10-29Verified
New Hampshire State AGbd_db23a632d5a05b692025-10-29Verified

Show 4 more filings ↓up to 49d gap

Nebraska State AGbd_fac9377cfd865ee72025-10-29Verified
Massachusetts State AGbd_5d16f8d73af0964b2025-10-30 · +1dVerified
New Hampshire State AGbd_62bbb0271e1447ba2025-09-10 · +49dVerified
Montana State AGbd_ae83a9c0ba62af602025-09-10 · +49dCandidate

Name: OB-GYN ASSOCIATES OF GREEN BAY, LTD.
norm: ob gyn associates of green bay

Name: OB-GYN ASSOCIATES OF GREEN BAY, LTD.
norm: ob gyn associates of green bay
Industry: Healthcarellm

Discovered: Aug 7, 2025
Materiality determined: —
Notification sent: Oct 29, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified the FBI and is fully cooperating with their investigation
Initial access: exploit_public_facing

During the incident: Engaged third-party forensic specialists to assist with securing the network environment and investigating the extent of any unauthorized activity
Wiped and rebuilt affected systems
Took steps to bolster network security
Reviewed and altered policies, procedures, and network security software
Notified the FBI and is fully cooperating with their investigation
Provided access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Provided proactive fraud assistance through Cyberscout
Changes made: Wiped and rebuilt affected systems
Reviewed and altered policies, procedures, and network security software relating to the security of systems and servers
Reviewed how data is stored and managed
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

New Hampshire State AGSep 10 · first

Montana State AGSep 10 · first

Indiana State AG+49d

Maine State AG+49d

California State AG+49d

New Hampshire State AG+49d

Nebraska State AG+49d

Vermont State AG+49d · this page

Massachusetts State AG+50d

Pattern: first filing Sep 10 (NH), last Oct 30 (MA) — a 50-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://ago.vermont.gov/document/2025-10-29-ob-gyn-associates-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 29, 2025
Raw hash: 0f32173f7db62ea8e431d70dfc88b67b661f07cd41d16ae7ebf87656624e5866

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityOB-GYN ASSOCIATES OF GREEN BAY, LTD.

Victim entityOB-GYN ASSOCIATES OF GREEN BAY, LTD.

Incidentdiscovered Aug 7, 2025

Stated responseEngaged third-party forensic specialists to assist with securing the network environment and investigating the extent of any unauthorized activity

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov