DisclosureLens
NEW YORKAccidentalHealthcareHealthcareMisconfigurationBusiness Associate (HIPAA)Customer Data InvolvedPHIHealth (basic)Identity (basic)Government IDFinancial accountHighContained

MEMORIAL SLOAN-KETTERING CANCER CENTER

bd_f3b0825a6dc1896d · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Mar 31, 2021

To disclose

—

Affected

18,913

Linked

2 filings

Confidence

68%
Full breach record for MEMORIAL SLOAN-KETTERING CANCER CENTER →7 incidents on file

Memorial Sloan Kettering Cancer Center reported to HHS on 2021-03-31 a Unauthorized Access/Disclosure affecting 18913 individuals. Breached information located on Network Server. Business associate employees misconfigured a server exposing PHI including names, SSNs, DOBs, addresses, financial info, diagnoses, and treatment data.

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

Mar 31, 2021

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

Filing propagation · 2 filings · 2 states

View merged incident ↗
Montana State AGMar 31 · first
HHS OCRMar 31 · 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.