HackingHealthcareHealthcareCustomer Data InvolvedPIIIdentity (basic)LowContained

Tri-Cities Gastroenterology

bd_ffa1e04e1b5c3ca9 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 11, 2025

Filed

Apr 29, 2026

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

65%

Full breach record for Tri-Cities Gastroenterology →

Tri-Cities Gastroenterology notified Nebraska AG of a data security incident occurring on or about December 11, 2025, where an unauthorized party accessed network systems. Forensic investigation confirmed on or about April 22, 2026, that personal information (names) was removed. The company contained the threat, engaged external cybersecurity professionals, and is offering complimentary Experian IdentityWorks membership to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d

Incident timeline

Dec 11, 2025

Begins

Dec 11, 2025

Discovered

Apr 29, 2026

Filed

This filing is one of 7 about the same incident.View merged incident

A leak claim by insomnia about this victim predates this filing by 134 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinsomniabd_7373448b589b92d52025-12-16 · +134dVerified by operator

Regulatory filings (5) · sorted by filing gap

Vermont State AGbd_32600c4fb741dbc82026-04-29Verified
HHS OCRbd_475ee536d9579f552026-04-29Verified
Indiana State AGbd_629c738b1cb1f5792026-04-29Candidate
Indiana State AGbd_a82db350d6c28ec82026-04-29Verified

Show 1 more filing ↓

Massachusetts State AGbd_cac7c215724291e02026-04-29Verified by operator

Name: Tri-Cities Gastroenterology
norm: tri cities gastroenterology
Domain: digestivewellness.net

Name: Tri-Cities Gastroenterology
norm: tri cities gastroenterology
Domain: digestivewellness.net
Industry: Healthcarellm

Discovered: Dec 11, 2025
Breach occurred: Dec 11, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 22, 2026
Affected individuals: Not disclosed
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: Contained the threat
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals
Forensic investigation
Changes made: Offer a complimentary month membership of Experian IdentityWorksSM
Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Vermont State AGApr 29 · first

HHS OCRApr 29 · first

Indiana State AGApr 29 · first

Massachusetts State AGApr 29 · first

Nebraska State AGApr 29 · first · this page

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/8f9dcfa1-e44a-4e81-a3b1-e64ea6cdc584.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2026
Raw hash: 6ca8df257262e9fc26aa95bb795f6e97282b0f207e9937f325182acf68400f31

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityTri-Cities Gastroenterology

Victim entityTri-Cities Gastroenterology

Incidentdiscovered Dec 11, 2025

Stated responseContained the threat

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov