HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)PIILowContained

New Century Federal Credit Union

bd_2140d4483014da12 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 30, 2023

Filed

Mar 8, 2024

To disclose

23 weeks

Affected

3state residents only

Linked

4 filings

Confidence

64%

Full breach record for New Century Federal Credit Union →

Century Federal Credit Union notified Montana residents of a data breach where an unauthorized party accessed an employee email account between August 30 and September 30, 2023. The incident potentially exposed names and other personal information. The credit union secured the account, investigated, and offered one year of Experian IdentityWorks credit monitoring to affected individuals.

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Incident timeline

undetected · 31 days

discovery → filing · 23 weeks / 160 days

Aug 30, 2023

Begins

Sep 30, 2023

Discovered

Mar 8, 2024

Filed

vs. sector median

+14 wks slower

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_a832be826179e19a2024-03-08Candidate
Massachusetts State AGbd_fa24f641707e17612024-03-08Verified
Vermont State AGbd_3e7179100978bf722024-03-04 · +4dVerified

Name: New Century Federal Credit Union
norm: new century federal credit union

Name: New Century Federal Credit Union
norm: new century federal credit union
Industry: Financial Servicesllm

Discovered: Sep 30, 2023
Breach occurred: Aug 30, 2023 – Sep 30, 2023
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 29, 2023
Affected individuals: 3state-resident count only
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the involved email account
Began an internal investigation
Offering a complimentary one-year membership of Experian IdentityWorks SM Credit 3B
Changes made: Reviewing our technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(160 days from discovery to filing)
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 ↗

Vermont State AGMar 4 · first

Maine State AG+4d

Massachusetts State AG+4d

Montana State AG+4d · 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/Consumer-notification-letter-1169.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 8, 2024
Raw hash: 60c302044fa56bda48f51684b56efd5fa5073bd87100e22668b73e3f3c0ad838

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityNew Century Federal Credit Union

Victim entityNew Century Federal Credit Union

Incidentdiscovered Sep 30, 2023

Stated responseSecured the involved email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov