Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountHighContained

BANNER CAPITAL BANK

bd_30e81ce58abf3906 · schema v1 · pii pii-v2

Severity

High

Discovered

Sep 11, 2025

Filed

Mar 6, 2026

To disclose

—

Affected

1,844state residents only

Linked

4 filings

Confidence

66%

Full breach record for BANNER CAPITAL BANK →

Banner Capital Bank submitted a supplemental data breach report to the Nebraska Attorney General regarding a phishing incident affecting 1,844 Nebraska residents. Unauthorized access to an employee email account occurred between August 20, 2025, and September 11, 2025, exposing names, driver's license/state ID numbers, and financial account/payment card numbers. Notifications were mailed on March 6, 2026, offering one year of credit monitoring via Kroll. The bank secured the compromised account and is enhancing email security.

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Incident timeline

undetected · 22 days

Aug 20, 2025

Begins

Sep 11, 2025

Discovered

Mar 6, 2026

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_0f1b5b1a4a4330be2026-03-06Candidate
New Hampshire State AGbd_430c154ae98df6882026-02-10 · +24dVerified
Nebraska State AGbd_86c4f4176c79e3602026-02-10 · +24dVerified

Name: BANNER CAPITAL BANK
norm: banner capital bank

Name: BANNER CAPITAL BANK
norm: banner capital bank
Industry: Financial Servicesllm

Discovered: Sep 11, 2025
Breach occurred: Aug 20, 2025 – Sep 11, 2025
Undetected for: 22 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 6, 2026
Affected individuals: 1,844state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Regulator citations: Submitted supplemental report to Nebraska Attorney General's office
Initial access: phishing_link

During the incident: Secured the services of Kroll to provide identity monitoring at no cost to you for one year
Established a dedicated, toll-free call center for individuals to call with questions
Mailed notification letters to these Nebraska residents via United States Postal Service First-Class mail
Took steps to secure the account and began our investigation
Changes made: Enhance the security of its email environment
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 · 4 filings · 3 states

View merged incident ↗

New Hampshire State AGFeb 10 · first

Nebraska State AGFeb 10 · first

Maine State AG+24d

Nebraska State AG+24d · this page

Pattern: first filing Feb 10 (NH), last Mar 6 (NE) — a 24-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://nebraska.gov/ago/data-breach/documents/fe0ee757-75ec-42bb-be48-cd6946ff46b4.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 6, 2026
Raw hash: 8d17011319f4fcb0f468bffe13dc4f54092f529c82334781a2c7edaeab3ca60b

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBANNER CAPITAL BANK

Victim entityBANNER CAPITAL BANK

Incidentdiscovered Sep 11, 2025

Stated responseSecured the services of Kroll to provide identity monitoring at no cost to you for one year

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov