HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MinorMediumContained

OB-GYN ASSOCIATES OF GREEN BAY, LTD.

bd_7ff948a8f329576d · 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

65%

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

OB-GYN Associates detected unauthorized third-party network access on August 7, 2025. The investigation, completed September 29, 2025, confirmed that personal information including names, SSNs, driver's license numbers, and medical information was acquired. The organization engaged forensic specialists, wiped and rebuilt systems, notified the FBI, and is offering credit monitoring and fraud assistance to affected individuals, including minors.

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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
Vermont State AGbd_635dc936fe30084a2025-10-29Verified
Maine State AGbd_73c60735d4e969b82025-10-29Verified
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 IDPHIHealth (basic)Minor
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified the FBI

During the incident: Engaged third-party forensic specialists to assist us with securing the network environment and investigating the extent of any unauthorized activity
Wiped and rebuilt affected systems
Notified the FBI and are fully cooperating with their investigation
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Changes made: Taken steps to bolster our network security
Reviewing and altering our policies, procedures, and network security software relating to the security of our systems and servers, as well as how we store and manage data
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

Vermont State AG+49d

Maine State AG+49d

New Hampshire State AG+49d

Nebraska State AG+49d

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-613544
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: 33c62fa4326f5621df2d2fc39e4bd77b75435b3dcfde251e607e112781345819

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 us with securing the network environment and investigating the extent of any unauthorized activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov