PhysicalFinancial ServicesFinanceSkimmerCustomer Data InvolvedFinancial accountFinancial credentialsLowContained

Golden 1 Credit Union

bd_ad8e2a48c261b5ea · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 4, 2017

Filed

Aug 21, 2017

To disclose

17 days

Affected

Not disclosed

Confidence

64%

Full breach record for Golden 1 Credit Union →3 incidents on file

Golden 1 Credit Union discovered illegal skimmer devices and hidden cameras installed on ATMs in Sacramento, El Dorado, and Placer Counties on August 4, 2017. Payment card numbers and PINs were compromised. The credit union notified law enforcement, reissued cards, and offered one year of complimentary identity theft protection via Equifax.

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Incident timeline

discovery → filing · 17 days

Aug 4, 2017

Begins

Aug 4, 2017

Discovered

Aug 21, 2017

Filed

vs. sector median

6 wks faster

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

Name: Golden 1 Credit Union
norm: golden 1 credit union

Name: Golden 1 Credit Union
norm: golden 1 credit union
Industry: Financial Servicesllm

Discovered: Aug 4, 2017
Breach occurred: Aug 4, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Financial accountFinancial credentials
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial
Regulator citations: Reached out to law enforcement

During the incident: Immediately initiated an investigation
Reached out to our ATM vendor and law enforcement
Reissuing your payment card within the next week
Partnered with Equifax to provide its Credit WatchTM Golden with 3-in-1 Monitoring identity theft protection product for one year at no charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 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/sb24-101238
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 21, 2017
Raw hash: 984eac97c5886e58936295719720bee05644cffcfc01ff56e945da3668e47f44

Reporting entityGolden 1 Credit Union

Victim entityGolden 1 Credit Union

Incidentdiscovered Aug 4, 2017

Stated responseImmediately initiated an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov