HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

nbkc Bank

bd_88d0540093f5945f · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jan 17, 2020

To disclose

—

Affected

7state residents only

Linked

4 filings

Confidence

65%

Full breach record for nbkc Bank →2 incidents on file

nbkc bank notified Montana residents that unauthorized access to employee email accounts occurred between May 24 and August 11, 2019. The incident compromised personal information of affected individuals. The bank engaged outside cybersecurity professionals and offered one year of credit monitoring via TransUnion.

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Incident timeline

May 24, 2019

Begins

Jan 17, 2020

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

Indiana State AGbd_4694b08918b81b4f2020-01-17Verified
New Hampshire State AGbd_b7e7faef4ef910602020-01-21 · +4dVerified
Massachusetts State AGbd_726e73fd7c9639182020-01-26 · +9dVerified

Name: nbkc Bank
norm: nbkc bank

Name: nbkc Bank
norm: nbkc bank
Industry: Financial Servicesllm

Discovered: —
Breach occurred: May 24, 2019 – Aug 11, 2019
Materiality determined: —
Notification sent: —
Affected individuals: 7state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering a one-year membership in myTrueIdentity provided by TransUnion Interactive
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of your information
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 · 4 states

View merged incident ↗

Indiana State AGJan 17 · first

Montana State AGJan 17 · first · this page

New Hampshire State AG+4d

Massachusetts State AG+9d

Pattern: first filing Jan 17 (IN), last Jan 26 (MA) — a 9-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://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-100.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 17, 2020
Raw hash: 84d8fe8e34d20dfc78b04a0ea105cb29688e30a6b467dc30b5e0a3aca5b259ff

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitynbkc Bank

Victim entitynbkc Bank

IncidentUnauthorized Access

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov