PhysicalFinancial ServicesFinanceLossCustomer Data InvolvedFinancial accountIdentity (basic)LowContained

JPMorgan Chase Bank, National Association

bd_3cf8d0ee938cfeb2 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

May 22, 2026

To disclose

—

Affected

1state residents only

Linked

6 filings

Confidence

66%

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

JPMorgan Chase Bank, N.A. reported that a package containing checks and transaction paperwork, including customer names, addresses, and account numbers, went missing from a courier on March 25, 2026. The package originated from a New York branch. The bank is working with the courier to locate the package and has opened a claim. Customers are advised to monitor their accounts and consider fraud alerts or security freezes.

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Incident timeline

Mar 25, 2026

Begins

May 22, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_497aaeadd482a2592026-05-15 · +7dCandidate
Indiana State AGbd_6a1ee0f106d534032026-06-02 · +11dVerified
Massachusetts State AGbd_11d6effbd2fe355f2026-05-06 · +16dCandidate
Massachusetts State AGbd_dbf47c92009868362026-07-02 · +41dCandidate

Show 1 more filing ↓up to 69d gap

Massachusetts State AGbd_9f80e2fcd69053b82026-07-30 · +69dCandidate

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: —
Breach occurred: Mar 25, 2026
Materiality determined: —
Notification sent: May 21, 2026
Affected individuals: 1state-resident count only
Data types: Financial accountIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Third party: via Courier

During the incident: Working with the courier to locate the package
Opened a claim with the courier
Changes made: Advised customers to place a one-year fraud alert on their credit file
Advised customers to place a security freeze on their credit file
Advised customers to order free annual credit reports
Advised customers to monitor credit and financial accounts for unauthorized transactions
Offered copies of past statements at no cost
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.

Filing propagation · 6 filings · 2 states

View merged incident ↗

Massachusetts State AGMay 6 · first

Massachusetts State AG+9d

Massachusetts State AG+16d · this page

Indiana State AG+27d

Massachusetts State AG+57d

Massachusetts State AG+85d

Pattern: first filing May 6 (MA), last Jul 30 (MA) — a 85-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.

Source URL: https://www.mass.gov/doc/2026-837-jpmorgan-chase-bank-na/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 22, 2026
Raw hash: afd6b833527e87b5f923f556d39d141a6c4506d07134a5c3ac70ef04fc7f06d8

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityJPMorgan Chase Bank, National Association

Victim entityJPMorgan Chase Bank, National Association

IncidentUnknown

Stated responseWorking with the courier to locate the package

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov