PhysicalFinancial ServicesFinanceTheftCustomer Data InvolvedIdentity (basic)Financial accountLowContained

1st United Credit Union

bd_adf9076e37de2500 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 7, 2024

Filed

Oct 18, 2024

To disclose

11 days

Affected

Not disclosed

Confidence

65%

Full breach record for 1st United Credit Union →

1stUnited Credit Union reported that mail containing paper checks was stolen from a courier in transit on October 7, 2024. The checks, negotiated in July 2024, contained member names and account numbers. The credit union is providing one year of complimentary identity protection to affected members and working to reduce physical record transport.

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Incident timeline

discovery → filing · 11 days

Oct 7, 2024

Begins

Oct 7, 2024

Discovered

Oct 18, 2024

Filed

vs. sector median

7 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: 1st United Credit Union
norm: 1st united credit union
Domain: 1stunitedcu.org

Name: 1st United Credit Union
norm: 1st united credit union
Domain: 1stunitedcu.org
Industry: Financial Servicesllm

Discovered: Oct 7, 2024
Breach occurred: Oct 7, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Financial account
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: External
Third party: via mail courier

During the incident: Providing one year of complimentary identity protection through Privacy Systems, Inc. (Privsy)
Working to minimize the need for physical record transport
Changes made: Working to minimize the need for physical record transport
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 days(11 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://oag.ca.gov/ecrime/databreach/reports/sb24-593597
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 18, 2024
Raw hash: 6e27baded98f4437a937c1cac324273463eb40bbc0ce453d40d7a4d12d26a92c

Reporting entity1st United Credit Union

Victim entity1st United Credit Union

Incidentdiscovered Oct 7, 2024

Stated responseProviding one year of complimentary identity protection through Privacy Systems, Inc. (Privsy)

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov