DisclosureLens
WASHINGTONHackingHealthcareHealthcareCustomer Data InvolvedPHIHealth (basic)Identity (basic)High

Fred Hutchinson Cancer Center

bd_734a45a1ef524852 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Dec 22, 2023

To disclose

Affected

1,840,927

Linked

14 filings

Confidence

68%
Full breach record for Fred Hutchinson Cancer Center4 incidents on file

Fred Hutchinson Cancer Center reported to HHS on 2023-12-22 a Hacking/IT Incident affecting 1,840,927 individuals. Breached information located on Network Server.

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 22, 2023

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 14 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filingsup to 223d gap

Showing first 10 of 13 linked disclosures.

Filing propagation · 11 filings · 7 states

View merged incident ↗

Pattern: first filing Dec 20 (VT), last Aug 1 (IL) — a 225-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

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.