DisclosureLens
UnknownFinanceHigh

J.P. Morgan

bd_5db5795a826bccef · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 26, 2024

Filed

Apr 28, 2024

To disclose

9 weeks

Affected

451,809

Linked

5 filings

Confidence

95%

J.P. Morgan reported a data breach to the Oregon Attorney General. The breach was reported on 2024-04-28. The breach occurred during 8/26/2021 - 2/26/2024. The breach was discovered on 2/26/2024. 451,809 individuals were affected. Notice was sent on 4/18/2024.

Oregon clock✗ OR AG >45d9 weeks 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 · 914 days
discovery → filing · 9 weeks / 62 days

Aug 26, 2021

Begins

Feb 26, 2024

Discovered

Apr 28, 2024

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Vermont State AGApr 18 · first
Delaware State AGApr 18 · first
California State AG+9d
Oregon State AG+10d · this page
Montana State AG+18d

Pattern: first filing Apr 18 (VT), last May 6 (MT) — a 18-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.