HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumActive

Washington Gastroenterology (DHSWA.NET)

bd_4a6775f40250687e · schema v1 · pii pii-v2

Severity

Medium

Discovered

Mar 10, 2025

Filed

May 23, 2025

To disclose

—

Affected

Not disclosed

Linked

10 records

Confidence

66%

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

Washington Gastroenterology (WAGI) notified Nebraska AG of a data breach affecting a legacy system. Unauthorized access occurred on 10/23/2024 and was discovered on 03/10/2025. Exposed data included names, SSNs, and financial account info. WAGI engaged forensic investigators, offered 12 months of credit monitoring, and notified HHS/OCR. Investigation is ongoing.

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Incident timeline

undetected · 138 days

Oct 23, 2024

Begins

Mar 10, 2025

Discovered

May 23, 2025

Filed

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_4436a8fdef7f5ef42025-01-17 · +126dVerified

Regulatory filings (8) · sorted by filing gap

Montana State AGbd_0a70c1602ac9e3e12025-05-23Verified by operator
Washington State AGbd_a0f3e46923292d092025-05-23Verified by operator
HHS OCRbd_20053881fa1fad8d2025-05-09 · +14dVerified
Massachusetts State AGbd_038e9e7d9d536dc42025-08-22 · +91dVerified

Show 4 more filings ↓up to 101d gap

New Hampshire State AGbd_44f4768b3a04a1ed2025-08-22 · +91dVerified
California State AGbd_a7c6808bffa98bd62025-08-22 · +91dVerified by operator
Texas State AGbd_3be4517fb0653ab02025-08-26 · +95dVerified
Illinois State AGbd_786f230c29b384102025-09-01 · +101dVerified by operator

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

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

Discovered: Mar 10, 2025
Breach occurred: Oct 23, 2024
Undetected for: 138 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 23, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified the U.S. Department of Health and Human ServicesFiled breach notification via the Office for Civil Rights (OCR) at the Department of Health and Human Services
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, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Provided written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Notified the U.S. Department of Health and Human Services
Changes made: Working to implement additional safeguards
Decommissioned the legacy WAGI system as it was not in use at the time of the event
Source: Quoted from the filing itself, not independently verified.

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 ↗

HHS OCRMay 9 · first

Montana State AG+14d

Washington State AG+14d

Nebraska State AG+14d · this page

Massachusetts State AG+105d

New Hampshire State AG+105d

California State AG+105d

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://nebraska.gov/ago/data-breach/documents/b97eff47-4574-422a-b25a-fb87a24475b5.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 23, 2025
Raw hash: 1751fb14a8c7afd1619d4f9c368c89dcf6b4e6ea04f9f1b19324b1358a9319dc

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityWashington Gastroenterology (DHSWA.NET)

Victim entityWashington Gastroenterology (DHSWA.NET)

Incidentdiscovered Mar 10, 2025

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov