HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Financial accountLowContained

BANNER CAPITAL BANK

bd_0f1b5b1a4a4330be · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 20, 2026

Filed

Mar 6, 2026

To disclose

14 days

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for BANNER CAPITAL BANK →

Banner Capital Bank reported an external system breach (hacking) of an employee email account. Unauthorized access occurred between August 20, 2025, and September 11, 2025. The bank discovered on February 20, 2026, that the attacker accessed messages containing the names and financial account numbers of two Maine residents. Notifications were mailed on March 6, 2026.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 20, 2026 → Filed with AG Mar 6, 202614d ✓ ME AG ≤30d14 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 184 days

discovery → filing · 14 days

Aug 20, 2025

Begins

Feb 20, 2026

Discovered

Mar 6, 2026

Filed

vs. sector median

7 wks faster

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

Nebraska State AGbd_30e81ce58abf39062026-03-06Verified
New Hampshire State AGbd_430c154ae98df6882026-02-10 · +24dVerified
Nebraska State AGbd_86c4f4176c79e3602026-02-10 · +24dVerified

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

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

Discovered: Feb 20, 2026
Breach occurred: Aug 20, 2025 – Sep 11, 2025
Undetected for: 184 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 6, 2026
Affected individuals: 2state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure the account
Established a dedicated, toll-free call center for individuals to call with questions
Changes made: Taken steps to enhance the security of its email environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 days from discovery to filing)
Compliance flags: ME AG ≤30d · 14d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Feb 20, 2026
→ Filed with AG: Mar 6, 2026
14d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 20, 2026 → Filed with AG: Mar 6, 2026	14d	30 days	ME AG ≤30d

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

Nebraska State AG+24d

Maine State AG+24d · this page

Pattern: first filing Feb 10 (NH), last Mar 6 (ME) — 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/95da7038-e5d1-43e5-8ff8-7f63fa1714a8.html
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: c5422f7662881451331baf5f24ad0cd485202739479c2cac115c389dc55a34b3

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBANNER CAPITAL BANK

Victim entityBANNER CAPITAL BANK

Incidentdiscovered Feb 20, 2026

Stated responseTook steps to secure the account

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov