PENNSYLVANIAMalwareHealthcareHealthcareRansomwareCustomer Data InvolvedData EncryptedRansom DemandedIdentity (basic)Government IDHealth (basic)PHICriticalContained

Prospect Medical Holdings (Crozer-Keystone Health System)

bd_610fc442f121763a · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Aug 14, 2020

To disclose

—

Affected

177,023

Confidence

97%

Full breach record for Prospect Medical Holdings (Crozer-Keystone Health System) →

Crozer-Keystone Health System (Prospect Medical Holdings) reported to HHS on 2020-08-14 a ransomware attack affecting 177,023 individuals. Breached information was located on a Network Server. Exposed ePHI included names, dates of birth, Social Security numbers, lab results, health insurance information, and other treatment information. The CE notified HHS, affected individuals, and the media, and posted substitute notice on its website. Additional technical safeguards were implemented in response.

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

Aug 14, 2020

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed177,023 affectedView incident

Name: Prospect Medical Holdings (Crozer-Keystone Health System)
norm: prospect medical holdings crozer keystone health system
Industry: Health Care Services

Name: Prospect Medical Holdings (Crozer-Keystone Health System)
norm: prospect medical holdings crozer keystone health system
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 177,023nationwide
Data types: Identity (basic)Government IDHealth (basic)PHI
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified HHS OCR

During the incident: Notified affected individuals
Notified media
Posted substitute notice on website
Implemented additional technical safeguards to better protect ePHI
Changes made: Implemented additional technical 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: Aug 14, 2020
Raw hash: 3a623c2f07a9f4fa19c31ef70cf858f245c84ac60240d5ce6a1cb1165c72fae0

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/html1.5 KB

Download View at source

Reporting entityProspect Medical Holdings (Crozer-Keystone Health System)

Victim entityProspect Medical Holdings (Crozer-Keystone Health System)

IncidentUnauthorized Access

Stated responseNotified affected individuals

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing