Social EngineeringHealthcareHealthcarePhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Cache Valley Ear Nose & Throat

bd_c015c50dca95493e · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 4, 2025

Filed

Nov 21, 2025

To disclose

41 weeks

Affected

16state residents only

Linked

4 filings

Confidence

64%

Full breach record for Cache Valley Ear Nose & Throat →3 incidents on file

Cache Valley Ear, Nose & Throat notified patients of a February 4, 2025 email compromise likely caused by phishing. Unauthorized access resulted in viewing and copying of personal information. The organization engaged forensic specialists and legal counsel, and is offering 12 months of credit monitoring services to affected individuals.

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Incident timeline

discovery → filing · 41 weeks / 290 days

Feb 4, 2025

Begins

Feb 4, 2025

Discovered

Nov 21, 2025

Filed

vs. sector median

+29 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_95fcb0cc9a3e07422025-11-21Verified
New Hampshire State AGbd_cfaeb80fb200abe12025-11-21Verified
Nebraska State AGbd_fd991b1d3cfb55742025-11-21Verified

Name: Cache Valley Ear Nose & Throat
norm: cache valley ear nose throat

Name: Cache Valley Ear Nose & Throat
norm: cache valley ear nose throat
Industry: Healthcarellm

Discovered: Feb 4, 2025
Breach occurred: Feb 4, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 21, 2025
Affected individuals: 16state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Began an investigation into the scope and nature of the suspicious activity
Retained legal counsel and third-party forensic specialists to investigate the unusual activity
Began a comprehensive review of the data set
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(290 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGNov 21 · first

New Hampshire State AGNov 21 · first

Nebraska State AGNov 21 · first

Montana State AGNov 21 · 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://dojmt.gov/wp-content/uploads/2026/01/Consumer-notification-letter-10.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 21, 2025
Raw hash: c6f9449a18bb472c9e39060b56bcecbecc977400fbea79977ef473758f580980

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCache Valley Ear Nose & Throat

Victim entityCache Valley Ear Nose & Throat

Incidentdiscovered Feb 4, 2025

Stated responseBegan an investigation into the scope and nature of the suspicious activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov