HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

U.S. Bank National Association

bd_2e2e3a3d709da1a1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 26, 2025

Filed

Mar 24, 2025

To disclose

26 days

Affected

1state residents only

Confidence

67%

Full breach record for U.S. Bank National Association →34 incidents on file

U.S. Bank notified the New Hampshire Attorney General of a data event affecting one NH resident. On Feb 26, 2025, the bank detected unauthorized access to a third-party vendor's portal, leading to fraudulent changes in a pensioner's account. The bank suspended self-registration for payment changes and provided credit monitoring via TransUnion.

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Incident timeline

discovery → filing · 26 days

Feb 26, 2025

Discovered

Mar 24, 2025

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: U.S. Bank National Association
norm: us bank national

Name: U.S. Bank National Association
norm: us bank national
Industry: Financial Servicesllm

Discovered: Feb 26, 2025
Materiality determined: —
Notification sent: Mar 24, 2025
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: trusted_relationship

During the incident: Moved quickly to investigate and respond to the incident
Assess the vendor’s systems
Identify potentially impacted individuals
Providing the impacted individuals with credit monitoring services through TransUnion
Suspended the ability for all users to change payment instructions and to create new portal access through self-registration
Changes made: Vendor made system changes to prevent further unauthorized access
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
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://mm.nh.gov/files/uploads/doj/remote-docs/us-bank-20250324.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 24, 2025
Raw hash: 7203cb82a09240899766a0ead18c9fa7ea4f6245f99f4da720a37a775a58b6c1

Reporting entityU.S. Bank National Association

Victim entityU.S. Bank National Association

Incidentdiscovered Feb 26, 2025

Stated responseMoved quickly to investigate and respond to the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov