HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDPHIPIIHealth (basic)HighContained

East Adams Rural Healthcare

bd_78cc2831f18471cb · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 12, 2024

Filed

Aug 11, 2025

To disclose

48 weeks

Affected

8,896state residents only

Linked

4 filings

Confidence

70%

Full breach record for East Adams Rural Healthcare →2 incidents on file

East Adams Rural Healthcare reported a cyberattack in Washington affecting 8,896 individuals. Unauthorized access occurred between Sept 7-13, 2024, discovered Sept 12, 2024. PII and PHI were compromised. The organization contained systems, engaged third-party forensic investigators, and offered credit monitoring.

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Washington clock✗ WA AG >90d48 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 · 5 days

discovery → filing · 48 weeks / 333 days

Sep 7, 2024

Begins

Sep 12, 2024

Discovered

Aug 11, 2025

Filed

vs. sector median

+35 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_9e89c0009b50422b2025-08-12 · +1dVerified
Indiana State AGbd_124bfafcbff250df2025-08-07 · +4dVerified
Nebraska State AGbd_d46a35ec49a3e7fd2025-08-07 · +4dVerified

Name: East Adams Rural Healthcare
norm: east adams rural healthcare

Name: East Adams Rural Healthcare
norm: east adams rural healthcare
Industry: Healthcarellm

Discovered: Sep 12, 2024
Breach occurred: Sep 7, 2024 – Sep 13, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 8,896state-resident count only
Data types: PIIPHIIdentity (basic)
Data elements: NameSocial Security numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Contained the affected systems
Conducted an immediate and thorough investigation into the incident
Engaged leading third-party cybersecurity professionals experienced in handling these incidents
Offering complimentary access to Experian IdentityWorks Credit 3B
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of your protected health information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(333 days from discovery to filing)
Compliance flags: WA AG >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 · 4 filings · 4 states

View merged incident ↗

Indiana State AGAug 7 · first

Nebraska State AGAug 7 · first

Washington State AG+4d · this page

Massachusetts State AG+5d

Pattern: first filing Aug 7 (IN), last Aug 12 (MA) — a 5-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA34284.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 11, 2025
Raw hash: 8c047d2bf8def75481f74dff7edb6a31da95f2b5fcb944c8ca754d0483b2f352

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityEast Adams Rural Healthcare

Victim entityEast Adams Rural Healthcare

Incidentdiscovered Sep 12, 2024

Stated responseContained the affected systems

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com