DisclosureLens
HackingFinancial ServicesFinanceStolen CredentialsDelayed DiscoveryMulti-Stage ChainIdentity (basic)Government IDFinancial accountMediumContained

J.P. Morgan

bd_d35e9bad8d06eb14 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 26, 2024

Filed

May 6, 2024

To disclose

10 weeks

Affected

689state residents only

Linked

5 filings

Confidence

65%

J.P. Morgan notified Montana residents that unauthorized access to plan participant data occurred between August 2021 and February 2024. Three authorized system users, employed by J.P. Morgan customers or agents, ran reports including names, SSNs, and bank account numbers. J.P. Morgan addressed the issue, applied a software update, and offered two years of credit monitoring.

Incident timeline

undetected · 914 days
discovery → filing · 10 weeks / 70 days

Aug 26, 2021

Begins

Feb 26, 2024

Discovered

May 6, 2024

Filed

vs. sector median

+2 wks slower

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
Montana State AG+18d · this page

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.