Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

NexBank Capital, Inc.

bd_2ba45b04681c339e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 31, 2021

Filed

Sep 16, 2021

To disclose

16 days

Affected

10state residents only

Linked

2 filings

Confidence

66%

Full breach record for NexBank Capital, Inc. →

NexBank Capital, Inc. notified Montana residents of unauthorized access to employee email accounts between March 4 and April 19, 2021. The incident, likely caused by phishing, exposed names, SSNs, driver's license numbers, and financial account numbers. NexBank engaged forensic investigators and offered one year of Experian IdentityWorks credit monitoring.

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Incident timeline

undetected · 180 days

discovery → filing · 16 days

Mar 4, 2021

Begins

Aug 31, 2021

Discovered

Sep 16, 2021

Filed

vs. sector median

7 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_8b19419cbaee40002021-09-16Verified

Name: NexBank Capital, Inc.
norm: nexbank capital

Name: NexBank Capital, Inc.
norm: nexbank capital
Industry: Financial Servicesllm

Discovered: Aug 31, 2021
Breach occurred: Mar 4, 2021 – Apr 19, 2021
Undetected for: 180 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 10state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Took steps to secure our email environment
Engaged a cybersecurity firm to assist with the investigation
Conducted a thorough review of the contents of the accounts
Offering a complimentary one-year membership in Experian’s IdentityWorks Credit 3B
Changes made: Implemented additional measures to enhance our existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 days(16 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGSep 16 · first

Montana State AGSep 16 · first · this page

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-104.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 16, 2021
Raw hash: 60eed2381630507899b4f300c6bedd02be17957c7ab403e393d635d70f36df5c

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityNexBank Capital, Inc.

Victim entityNexBank Capital, Inc.

Incidentdiscovered Aug 31, 2021

Stated responseTook steps to secure our email environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov