DisclosureLens
UnknownFinanceHigh

KeyBank National Association

bd_204b30c931f55115 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 23, 2022

Filed

Oct 21, 2022

To disclose

28 days

Affected

510,553

Linked

7 filings

Confidence

95%
Full breach record for KeyBank National Association13 incidents on file

KeyBank reported a data breach to the Oregon Attorney General. The breach was reported on 2022-10-21. The breach occurred during 5/26/2022 - 7/12/2022. The breach was discovered on 9/23/2022. 510,553 individuals were affected. Notice was sent on 10/21/2022.

Oregon clock OR AG ≤45d28 days discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 120 days
discovery → filing · 28 days

May 26, 2022

Begins

Sep 23, 2022

Discovered

Oct 21, 2022

Filed

This filing is one of 7 about the same incident.View merged incident
Part of Overby-Seawell Company supply-chain incident (2022) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 56d gap

Filing propagation · 7 filings · 5 states

View merged incident ↗
Massachusetts State AGAug 26 · first
Washington State AGAug 26 · first
California State AGAug 26 · first
Montana State AGAug 26 · first
Oregon State AG+56d · this page

Pattern: first filing Aug 26 (MA), last Oct 21 (OR) — a 56-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.