DisclosureLens
NEW YORKMalwareHealthcareHealthcareRansomwareBusiness Associate (HIPAA)Customer Data InvolvedData EncryptedRansom DemandedHealth (basic)Identity (basic)MediumContained

MEMORIAL SLOAN-KETTERING CANCER CENTER

bd_f7aac32b539e77ec · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 14, 2020

To disclose

Affected

73,536

Confidence

69%
Full breach record for MEMORIAL SLOAN-KETTERING CANCER CENTER7 incidents on file

Memorial Sloan Kettering Cancer Center reported to HHS on 2020-09-14 a Hacking/IT Incident affecting 73,536 individuals. Breached information located on Network Server. A business associate experienced a ransomware attack affecting ePHI including names, addresses, emails, DOB, and phone numbers. CE notified HHS, individuals, and media.

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

Sep 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.Confirmed73,536 affectedView incident

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.