Social EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedData ExfiltratedPHIHealth (basic)Identity (basic)Government IDMediumContained

Humboldt Independent Practice Association

bd_30f1742d35ef4a97 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 28, 2024

Filed

May 23, 2025

To disclose

47 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for Humboldt Independent Practice Association →3 incidents on file

Humboldt Independent Practice Association experienced a phishing campaign resulting in unauthorized access to a single email account between June 26 and July 1, 2024. The actor acquired protected health information (PHI), including names and potentially Social Security numbers. The company notified HHS OCR and offered credit monitoring.

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California clockDiscovered Jun 28, 2024 → Notified Mar 6, 2025251d ✗ CA 60-day late47 weeks discovery → filing

Incident timeline

undetected · 2 days

discovery → filing · 47 weeks / 329 days

Jun 26, 2024

Begins

Jun 28, 2024

Discovered

May 23, 2025

Filed

vs. sector median

+35 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Humboldt Independent Practice Association
norm: humboldt independent practice

Name: Humboldt Independent Practice Association
norm: humboldt independent practice
Industry: Healthcarellm

Discovered: Jun 28, 2024
Breach occurred: Jun 26, 2024 – Jul 1, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 6, 2025
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email CollectionT1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the incident to the Department of Health and Human Services with the Office of Civil Rights
Initial access: phishing_link

During the incident: Retained outside cyber counsel
Retained independent forensics specialists
Reported the incident to the Department of Health and Human Services with the Office of Civil Rights
Providing Single Bureau Credit Monitoring services at no cost
Providing proactive fraud assistance through HayStackID
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 47 weeks(329 days from discovery to filing)
Compliance flags: CA 60-day late · 251d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jun 28, 2024
→ Notified: Mar 6, 2025
251d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jun 28, 2024 → Notified: Mar 6, 2025	251d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

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://oag.ca.gov/ecrime/databreach/reports/sb24-603120
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 23, 2025
Raw hash: d260a7f82cfc737d6bc4c8a7d59089df8f696829129bb7cea5f8deb815245621

Reporting entityHumboldt Independent Practice Association

Victim entityHumboldt Independent Practice Association

Incidentdiscovered Jun 28, 2024

Stated responseRetained outside cyber counsel

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov