HackingTechnologyHealthcareInformationVulnerability ExploitZero-DayData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Health (basic)MediumContained

Insightin Health

bd_9a2bd835940a4149 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 1, 2025

Filed

Apr 1, 2026

To disclose

30 weeks

Affected

11,496state residents only

Linked

12 filings

Confidence

66%

Full breach record for Insightin Health →2 incidents on file

Insightin Health, Inc. notified the Vermont Attorney General of a data breach affecting 11,496 Vermont residents. The incident involved unauthorized access to Insightin's network via a zero-day vulnerability in GoAnywhere software between September 17-23, 2025. Affected data included names, dates of birth, gender, and health plan information. Insightin engaged law enforcement, provided 12 months of credit monitoring through TransUnion, and implemented additional security safeguards.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday30 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

Sep 17, 2025

Begins

Apr 1, 2026

Filed

vs. sector median

+12 wks slower

This filing is one of 12 about the same incident.View merged incident

A leak claim by medusa about this victim predates this filing by 190 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemedusabd_5735d224535af4252025-09-26 · +186dVerified by operator

Regulatory filings (9) · sorted by filing gap

California State AGbd_7fc85ada2e1884b92026-04-01Verified by operator
Texas State AGbd_d1b693a2d4ddee3f2026-03-10 · +22dVerified
Washington State AGbd_17bef6ae03a1347e2026-03-05 · +27dVerified by operator
Oregon State AGbd_3070c615628a95182026-03-05 · +27dVerified

Show 5 more filings ↓up to 75d gap

California State AGbd_3bdd8091c9b79d352026-03-05 · +27dVerified by operator
Vermont State AGbd_30942dbf93d1eb242026-03-04 · +28dVerified by operator
Montana State AGbd_d26a3eeabbd32ef72026-03-04 · +28dVerified
Vermont State AGbd_35cace97c849afa22026-01-28 · +63dVerified by operator
HHS OCRbd_f9dc8500fdfbdf8c2026-01-16 · +75dVerified

Showing first 10 of 11 linked disclosures.

Name: Insightin Health
norm: insightin health
Domain: insightinhealth.com

Name: Insightin Health
norm: insightin health
Domain: insightinhealth.com
Industry: TechnologyllmHealthcarellm

Discovered: Sep 1, 2025
Breach occurred: Sep 17, 2025 – Sep 23, 2025
Materiality determined: —
Notification sent: Dec 4, 2025
Affected individuals: 11,496state-resident count only
Data types: Identity (basic)Health (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Provided notice to Vermont Attorney General's office
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement regarding the event
Provided access to credit monitoring services for twelve (12) months, through TransUnion, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Provided written notice of this incident to relevant state and federal regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Reviewed existing security policies and implemented additional measures to further protect against similar incidents moving forwards, including additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(212 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >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 · 10 filings · 7 states

View merged incident ↗

HHS OCRJan 16 · first

Vermont State AG+12d

Vermont State AG+47d

Montana State AG+47d

Washington State AG+48d

Oregon State AG+48d

California State AG+48d

Texas State AG+53d

California State AG+75d

Vermont State AG+75d · this page

Pattern: first filing Jan 16 (MD), last Apr 1 (VT) — a 75-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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/2026-04-01-insightin-health-inc-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 1, 2026
Raw hash: b0ad8ec597602ee00aa431be21689f1f3e9e9ca2d9a13e29f142cbbad9bf7d09

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityInsightin Health

Victim entityInsightin Health

Incidentdiscovered Sep 1, 2025

Stated responseNotified federal law enforcement regarding the event

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov