CALIFORNIAHackingHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDHighContained

UC Davis Health

bd_4c59e03439137e07 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Jul 28, 2023

To disclose

—

Affected

3,201

Linked

2 filings

Confidence

68%

UC Davis Health reported to HHS on 2023-07-28 a Hacking/IT Incident affecting 3201 individuals. Breached information located on Email. An employee was the subject of an email phishing attack compromising PHI including names, DOB, SSNs, diagnoses, and medications.

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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

Jul 28, 2023

Filed

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

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_6c76c57d91eb123e2023-07-25 · +3dVerified

Name: UC Davis Health
norm: uc davis health
Industry: Health Care Services

Name: UC Davis Health
norm: uc davis health
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 3,201nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified HHS
Initial access: phishing_link

During the incident: Provided complimentary credit monitoring services
Implemented additional administrative, technical, and security safeguards
Notified HHS
Notified affected individuals
Notified the media
Changes made: Implemented additional administrative, technical, and security safeguards
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.

Filing propagation · 2 filings

View merged incident ↗

California State AGJul 25 · first

HHS OCR+3d · 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://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: Jul 28, 2023
Raw hash: 2361c117d5800a1f634503032fbf65079197b8c06fce1d459f9527b124be7088

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityUC Davis Health

Victim entityUC Davis Health

IncidentUnauthorized Access

Stated responseProvided complimentary credit monitoring services

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing