HackingTechnologyHealthcareInformationVulnerability ExploitCapture Stored DataZero-DayData ExfiltratedCustomer Data InvolvedTargetedHealth (basic)Identity (basic)PHIPIIMediumContained

Insightin Health

bd_17bef6ae03a1347e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 23, 2025

Filed

Mar 5, 2026

To disclose

23 weeks

Affected

11,740state residents only

Linked

12 filings

Confidence

69%

Full breach record for Insightin Health →2 incidents on file

Insightin Health, Inc. notified Washington AG of a cyberattack exploiting a zero-day vulnerability in GoAnywhere software. Unauthorized access occurred Sept 17-23, 2025, affecting 11,740 WA residents. Data included names, DOBs, and health/insurance info. Insightin engaged forensic specialists, notified law enforcement, and provided 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d23 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 6 days

discovery → filing · 23 weeks / 163 days

Sep 17, 2025

Begins

Sep 23, 2025

Discovered

Mar 5, 2026

Filed

vs. sector median

+5 wks slower

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemedusabd_5735d224535af4252025-09-26 · +159dVerified by operator

Regulatory filings (9) · sorted by filing gap

Oregon State AGbd_3070c615628a95182026-03-05Verified
California State AGbd_3bdd8091c9b79d352026-03-05Verified by operator
Vermont State AGbd_30942dbf93d1eb242026-03-04 · +1dVerified by operator
Montana State AGbd_d26a3eeabbd32ef72026-03-04 · +1dVerified

Show 5 more filings ↓up to 48d gap

Texas State AGbd_d1b693a2d4ddee3f2026-03-10 · +5dVerified
California State AGbd_7fc85ada2e1884b92026-04-01 · +27dVerified by operator
Vermont State AGbd_9a2bd835940a41492026-04-01 · +27dVerified by operator
Vermont State AGbd_35cace97c849afa22026-01-28 · +36dVerified by operator
HHS OCRbd_f9dc8500fdfbdf8c2026-01-16 · +48dVerified

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 23, 2025
Breach occurred: Sep 17, 2025 – Sep 23, 2025
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 4, 2026
Affected individuals: 11,740state-resident count only
Data types: Identity (basic)Health (basic)PII
Data elements: NameDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcementproviding written notice of this incident to relevant state and federal regulatorsnotifying the U.S. Department of Health and Human Services
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of third-party specialists
Remediated to prevent the potential for ongoing access
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for twelve (12) months, through TransUnion
Providing written notice of this incident to relevant state and federal regulators
Notifying the U.S. Department of Health and Human Services
Changes made: Reviewing existing security policies
Implemented additional measures to further protect against similar incidents
Additional safeguards and training to its employees
Secured our environment
Updated our security policies
Added new safeguards to prevent future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(163 days from discovery to filing)
Compliance flags: WA AG >90dLeak >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

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

Oregon State AG+48d

California State AG+48d

Washington State AG+48d · this page

Texas State AG+53d

California State AG+75d

Vermont State AG+75d

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA36936.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 5, 2026
Raw hash: e81409d29f7da5c2eafbe6b9782c9f98a575acb58667b43ab0a7f3b1f327dac7

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityInsightin Health

Victim entityInsightin Health

Incidentdiscovered Sep 23, 2025

Stated responseLaunched an investigation with the assistance of third-party specialists

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com