CALIFORNIASocial EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedPHIHealth (basic)Identity (basic)MediumContained

Kaiser Foundation Hospitals

bd_a1be27e2d6715722 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 1, 2024

To disclose

—

Affected

44,600

Linked

2 filings

Confidence

68%

Full breach record for Kaiser Foundation Hospitals →3 incidents on file

Kaiser Foundation Hospitals reported to HHS on 2024-11-01 a Hacking/IT Incident affecting 44,600 individuals. Breached information located on Email. Employees were targeted by an email phishing scheme compromising demographic and clinical PHI. Response included password changes, technical safeguards, and policy revisions.

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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

Nov 1, 2024

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_32c7eed1cbbbeb932024-11-01Candidate

Name: Kaiser Foundation Hospitals
norm: kaiser foundation hospitals
Domain: healthy.kaiserpermanente.org
Industry: Health Care Services

Name: Kaiser Foundation Hospitals
norm: kaiser foundation hospitals
Domain: healthy.kaiserpermanente.org
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 44,600nationwide
Data types: PHIHealth (basic)Identity (basic)
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 Link
Threat actor: External
Regulator citations: Notified HHS
Initial access: phishing_link

During the incident: Changed password/strengthened password requirements
Implemented new technical safeguards
Revised policies and procedures
Notified HHS
Notified affected individuals
Notified the media
Changes made: Changed password/strengthened password requirements
Implemented new technical safeguards
Revised policies and procedures
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 AGNov 1 · first

HHS OCRNov 1 · 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://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 1, 2024
Raw hash: cf29e41b9249db0132641035cb8514505b8934bfc472288c3c40fd94c8ebda35

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityKaiser Foundation Hospitals

Victim entityKaiser Foundation Hospitals

IncidentUnauthorized Access

Stated responseChanged password/strengthened password requirements

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing