HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)MediumActive

Washington Gastroenterology (DHSWA.NET)

bd_44f4768b3a04a1ed · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 10, 2025

Filed

Aug 22, 2025

To disclose

24 weeks

Affected

23state residents only

Linked

10 records

Confidence

66%

Full breach record for Washington Gastroenterology (DHSWA.NET) →

Washington Gastroenterology (WAGI) notified the New Hampshire Attorney General on August 22, 2025, of a data event affecting 23 NH residents. Discovered March 10, 2025, an unknown third party accessed a legacy system exposing names, SSNs, and medical info. WAGI engaged forensic investigators, provided 12 months of credit monitoring via IDX, and notified regulators and credit bureaus. Investigation was ongoing at the time of filing.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d24 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 · 24 weeks / 165 days

Mar 10, 2025

Discovered

Aug 22, 2025

Filed

vs. sector median

+15 wks slower

This filing is one of 10 records about the same incident.View merged incident

A leak claim by inc_ransom about this victim was first seen 217 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_4436a8fdef7f5ef42025-01-17 · +217dVerified

Regulatory filings (8) · sorted by filing gap

Massachusetts State AGbd_038e9e7d9d536dc42025-08-22Verified
California State AGbd_a7c6808bffa98bd62025-08-22Verified by operator
Texas State AGbd_3be4517fb0653ab02025-08-26 · +4dVerified
Illinois State AGbd_786f230c29b384102025-09-01 · +10dVerified by operator

Show 4 more filings ↓up to 105d gap

Montana State AGbd_0a70c1602ac9e3e12025-05-23 · +91dVerified by operator
Nebraska State AGbd_4a6775f40250687e2025-05-23 · +91dCandidate
Washington State AGbd_a0f3e46923292d092025-05-23 · +91dVerified by operator
HHS OCRbd_20053881fa1fad8d2025-05-09 · +105dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Washington Gastroenterology (DHSWA.NET)
norm: washington gastroenterology dhswanet
Domain: washgi.com
Industry: Healthcarellm

Discovered: Mar 10, 2025
Materiality determined: —
Notification sent: May 23, 2025
Affected individuals: 23state-resident count only
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
Initial access: exploit_public_facing

During the incident: Engaged a third-party forensic firm to assist in conducting a comprehensive investigation
Provided access to credit monitoring services for twelve (12) months, through IDX
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Provided written notice of this incident to relevant state and federal regulators
Provided written notice to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(165 days from discovery to filing)
Compliance flags: Leak >180d
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 ↗

HHS OCRMay 9 · first

Montana State AG+14d

Nebraska State AG+14d

Washington State AG+14d

Massachusetts State AG+105d

California State AG+105d

New Hampshire State AG+105d · this page

Texas State AG+109d

Illinois State AG+115d

Pattern: first filing May 9 (WA), last Sep 1 (IL) — a 115-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://mm.nh.gov/files/uploads/doj/remote-docs/washington-gastroenterology-20250822.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 22, 2025
Raw hash: 51db9bdee7bd892a6dca210e666982447d6216a609a0068829fc5b057f5e255e

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityWashington Gastroenterology (DHSWA.NET)

Incidentdiscovered Mar 10, 2025

Stated responseEngaged a third-party forensic firm to assist in conducting a comprehensive investigation

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov