CALIFORNIASocial EngineeringHealthcareGovernmentHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountAuthenticationHighResolved

Sierra County Department of Public Health

bd_0b5fad75e12c5fb1 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Nov 22, 2023

To disclose

—

Affected

2,463

Confidence

97%

Full breach record for Sierra County Department of Public Health →

Sierra County Department of Public Health, Department of Behavioral Health (CA) reported to HHS on 2023-11-22 a Hacking/IT Incident affecting 2,463 individuals. Several employees were subjects of an email phishing attack. PHI exposed included names, email, phone numbers, tax IDs, SSNs, dates of birth, driver's license/government IDs, health insurance information, medications, and financial information. The CE notified HHS, affected individuals, and media, provided credit monitoring, and implemented enhanced safeguards and staff retraining.

J jump to incidentP pin to compareR raw source

HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Nov 22, 2023

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2,463 affectedView incident

Name: Sierra County Department of Public Health
norm: sierra county department of public health
Industry: Health Care Services

Name: Sierra County Department of Public Health
norm: sierra county department of public health
Industry: Health Care Services
Industry: Healthcaresource defaultGovernmentllm

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 2,463nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial accountAuthentication
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566 PhishingT1078 Valid Accounts
Threat actor: External
Regulator citations: HHS OCR notified
Initial access: phishing_link

During the incident: Notified affected individuals
Media notification and substitute notice provided
Provided complimentary credit monitoring services
Implemented additional administrative, technical, and security safeguards
Staff retrained on email security precautions
Changes made: Additional administrative, technical, and security safeguards implemented
Staff email security retraining
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Nov 22, 2023
Raw hash: 359a003e0290feb3ee4d530c8f224db32830a0a871678f14211c8bd588ffd2cc

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

text/html1.8 KB

Download View at source

Reporting entitySierra County Department of Public Health

Victim entitySierra County Department of Public Health

IncidentUnauthorized Access

Stated responseNotified affected individuals

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing