HackingFinancial ServicesFinanceCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDMediumContained

First City Credit Union

bd_26128182a001873c · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 31, 2025

To disclose

—

Affected

Not disclosed

Confidence

78%

Full breach record for First City Credit Union →

First City Credit Union (FCCU) experienced a data security incident in which an unauthorized party gained access to a portion of its email environment between November 18–20, 2024. Personal information including names, addresses, driver's license numbers, and/or Social Security numbers of a limited number of members may have been compromised. FCCU engaged third-party forensic specialists and is offering 12 months of credit monitoring via Cyberscout.

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Incident timeline

Nov 18, 2024

Begins

Mar 31, 2025

Filed

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

Name: First City Credit Union
norm: first city credit union

Name: First City Credit Union
norm: first city credit union
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Nov 18, 2024 – Nov 20, 2024
Materiality determined: —
Notification sent: Mar 26, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External

During the incident: Promptly engaged third-party forensic specialists to assist with securing the email environment and investigating the extent of unauthorized activity
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for twelve (12) months from the date of enrollment
Providing proactive fraud assistance through Cyberscout, a TransUnion company
Changes made: Implemented measures to strengthen the security of our systems
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.

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/sb24-600664
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2025
Raw hash: b55fc87f57a5c68419ab8f59275ecacca23707253df84270a10feeddfa114e52

Reporting entityFirst City Credit Union

Victim entityFirst City Credit Union

IncidentUnauthorized Access

Stated responsePromptly engaged third-party forensic specialists to assist with securing the email environment and investigating the extent of unauthorized activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov