CALIFORNIAHackingHealthcareHealthcarePHIHealth (basic)Identity (basic)Government IDFinancial accountCriticalContained

CITY OF HOPE

bd_197afeab3984381b · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Dec 12, 2023

To disclose

—

Affected

902,540

Confidence

69%

Full breach record for CITY OF HOPE →4 incidents on file

City of Hope reported to HHS on 2023-12-12 a Hacking/IT Incident affecting 902,540 individuals. Breached information located on Network Server. The cyber-attack exposed PHI including names, DOB, SSN, driver's license, financial, and health insurance data. The entity notified HHS, individuals, and media, and implemented additional administrative, technical, and security safeguards.

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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

Dec 12, 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.Confirmed902,540 affectedView incident

Name: CITY OF HOPE
norm: city of hope
Domain: cityofhope.org
Industry: Health Care Services

Name: CITY OF HOPE
norm: city of hope
Domain: cityofhope.org
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 902,540nationwide
Data types: PHIHealth (basic)Identity (basic)Government IDFinancial account
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified HHS

During the incident: 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.

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: Dec 12, 2023
Raw hash: 3026feea684756d5f253fdb5d6033b847f04e53184dde80ff1d1aaf3e23f4f94

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.

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Reporting entityCITY OF HOPE

Victim entityCITY OF HOPE

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing