DisclosureLens
AccidentalFinancial ServicesFinanceMisconfigurationData MishandlingSupply Chain (3P Vendor)Customer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountFinancialCriticalResolved

JPMorgan Chase Bank, National Association

bd_efe031254bd5408d · schema v1 · pii pii-v1

Severity

Critical

Discovered

Feb 26, 2024

Filed

Apr 29, 2024

To disclose

9 weeks

Affected · nationwide

451,8091,683 in this filing

Linked

8 filings

Confidence

50%
Full breach record for JPMorgan Chase Bank, National Association →93 incidents on file

A software issue in a vendor-provided system for JPMorgan Chase's Benefit Payment Services product allowed three authorized users (employees of JPMC clients or their benefit administrators) to access and download reports containing personal and financial information of retirement plan participants they were not entitled to see. The unauthorized access occurred on various dates between August 26, 2021, and February 23, 2024. The issue was discovered on February 26, 2024. The exposed data included names, Social Security numbers, mailing addresses, payment amounts, and bank account information.

Maine clockDiscovered Feb 26, 2024 → Filed with AG Apr 29, 202463d ⏱ ME AG >30d9 weeks discovery → filing

Incident timeline

undetected · 914 days
discovery → filing · 9 weeks / 63 days

Aug 26, 2021

Begins

Feb 26, 2024

Discovered

Apr 29, 2024

Filed

vs. sector median

+1 wks slower

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Show 3 more filings ↓up to 32d gap

Filing propagation · 8 filings · 7 states

View merged incident ↗
Massachusetts State AGApr 15 · first
Delaware State AG+3d
Indiana State AG+3d
Washington State AG+3d
California State AG+14d
Maine State AG+14d · this page
Oregon State AG+17d
Massachusetts State AG+46d

Pattern: first filing Apr 15 (MA), last May 31 (MA) — a 46-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.