Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

NuVista Federal Credit Union

bd_ec860ff40fec168a · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 9, 2020

Filed

Dec 3, 2020

To disclose

38 weeks

Affected

37state residents only

Linked

2 filings

Confidence

66%

Full breach record for NuVista Federal Credit Union →

NuVista Federal Credit Union notified Montana residents of a security incident where an unauthorized individual accessed an employee's email account on or around March 9, 2020. The investigation concluded on November 3, 2020, revealing that personal information was contained in the compromised account. NuVista offered one year of complimentary credit monitoring via Experian IdentityWorks.

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Incident timeline

discovery → filing · 38 weeks / 269 days

Mar 9, 2020

Begins

Mar 9, 2020

Discovered

Dec 3, 2020

Filed

vs. sector median

+29 wks slower

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

Maine State AGbd_ac3ecbadaba74c3c2020-12-05 · +2dVerified by operator

Name: NuVista Federal Credit Union
norm: nuvista federal credit union

Name: NuVista Federal Credit Union
norm: nuvista federal credit union
Industry: Financial Servicesllm

Discovered: Mar 9, 2020
Breach occurred: Mar 9, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 37state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering a complimentary one-year membership of Experian IdentityWorksSM Credit 3B
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.

Time to disclose: 38 weeks(269 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 ↗

Montana State AGDec 3 · first · this page

Maine State AG+2d

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/nuvistaSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2020
Raw hash: 22f209fde79e288532ee6f55e4a29e2448bd054d77a21acbc01e3d605c33d57e

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityNuVista Federal Credit Union

Victim entityNuVista Federal Credit Union

Incidentdiscovered Mar 9, 2020

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov