DisclosureLens
UnknownHealthcareHigh

Fred Hutchinson Cancer Center

bd_00321461c9a21954 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 19, 2023

Filed

Dec 22, 2023

To disclose

5 weeks

Affected

339,469

Linked

14 filings

Confidence

95%
Full breach record for Fred Hutchinson Cancer Center4 incidents on file

Fred Hutchinson Cancer Center reported a data breach to the Oregon Attorney General. The breach was reported on 2023-12-22. The breach occurred during 11/19/2023 - 11/25/2023. The breach was discovered on 11/19/2023. 339,469 individuals were affected. Notice was sent on 12/20/2023.

Oregon clock OR AG ≤45d5 weeks discovery → filing
occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 5 weeks / 33 days

Nov 19, 2023

Begins

Nov 19, 2023

Discovered

Dec 22, 2023

Filed

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.