AccidentalFinancial ServicesFinanceMisconfigurationCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountMediumResolved

JPMorgan Chase Bank, National Association

bd_2f44509a28216b33 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 26, 2024

Filed

Apr 29, 2024

To disclose

9 weeks

Affected

Not disclosed

Linked

12 filings

Confidence

65%

Full breach record for JPMorgan Chase Bank, National Association →94 incidents on file

JPMorgan Chase Bank, N.A. disclosed a software issue causing unauthorized access to plan participant data. Between August 26, 2021, and February 23, 2024, three authorized users accessed reports containing names, addresses, SSNs, and bank account details. The issue was discovered on February 26, 2024, and promptly addressed with a software update. Affected individuals are offered two years of credit monitoring.

J jump to incidentP pin to compareR raw source

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 12 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_efe031254bd5408d2024-04-29Verified
Oregon State AGbd_5db5795a826bccef2024-04-28 · +1dVerified by operator
California State AGbd_17c628b4b6b443e32024-04-27 · +2dVerified by operator
Oregon State AGbd_d01cecde11f4e3e72024-05-02 · +3dVerified

Show 6 more filings ↓up to 32d gap

Montana State AGbd_d35e9bad8d06eb142024-05-06 · +7dVerified by operator
Delaware State AGbd_1d6fdc652ca663ce2024-04-18 · +11dVerified
Vermont State AGbd_2c75438adc27bcc82024-04-18 · +11dVerified by operator
Indiana State AGbd_73b14aaa9ac08d8a2024-04-18 · +11dVerified
Washington State AGbd_8d03645db4f594c42024-04-18 · +11dVerified
Massachusetts State AGbd_9b265c593f7a32392024-05-31 · +32dCandidate

Showing first 10 of 11 linked disclosures.

Name: JPMorgan Chase Bank, National Association
norm: jpmorgan chase bank national

Name: JPMorgan Chase Bank, National Association
norm: jpmorgan chase bank national
Industry: Financial Servicesllm

Discovered: Feb 26, 2024
Breach occurred: Aug 26, 2021 – Feb 23, 2024
Undetected for: 914 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unknown

During the incident: Promptly addressed the access issue
Applied a software update
Offering two years of free credit monitoring through Experian’s IdentityWorks
Changes made: Applied a software update
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Delaware State AGApr 18 · first

Vermont State AGApr 18 · first

Indiana State AGApr 18 · first

Washington State AGApr 18 · first

California State AG+9d

Oregon State AG+10d

Maine State AG+11d

California State AG+11d · this page

Oregon State AG+14d

Montana State AG+18d

Massachusetts State AG+43d

Pattern: first filing Apr 18 (DE), last May 31 (MA) — a 43-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 11 — 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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-584615
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2024
Raw hash: 5c64f438b55553c26f6a098fef2fefc1eb57efd202dd11cca5fc2e495f8b1ea3

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityJPMorgan Chase Bank, National Association

Victim entityJPMorgan Chase Bank, National Association

Incidentdiscovered Feb 26, 2024

Stated responsePromptly addressed the access issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov