AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedIdentity (basic)Financial accountLowResolved

JPMorgan Chase Bank, N.A.

bd_833f8b0e11584e3a · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Aug 13, 2021

To disclose

—

Affected

7state residents only

Confidence

68%

JPMorgan Chase Bank, N.A. notified Montana residents of a technical issue where a customer may have mistakenly viewed another customer's account information (balances, transactions, name, account numbers) on chase.com or the mobile app. No evidence of inappropriate use was found. Chase offered one year of free credit monitoring via Experian.

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Incident timeline — partial

? — ?

Breach window unknown

Aug 13, 2021

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed7 affectedView incident

Name: JPMorgan Chase Bank, N.A.
norm: jpmorgan chase bank
Domain: jpmorgan.com

Name: JPMorgan Chase Bank, N.A.
norm: jpmorgan chase bank
Domain: jpmorgan.com
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 7state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection

During the incident: Offering one year of free credit monitoring through Experian’s IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/OCP/notificationLetter-51.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 13, 2021
Raw hash: f98c8a07fea59acf71f22a927330f8f782f6328ebf5794f51c11779d81a4b08b

Reporting entityJPMorgan Chase Bank, N.A.

Victim entityJPMorgan Chase Bank, N.A.

IncidentMisconfiguration

Stated responseOffering one year of free credit monitoring through Experian’s IdentityWorks

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov