PhysicalFinancial ServicesFinanceSkimmerCustomer Data InvolvedFinancial accountFinancial credentialsLowContained

Golden 1 Credit Union

bd_62e6d833effdbef7 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 24, 2018

Filed

May 22, 2018

To disclose

28 days

Affected

Not disclosed

Confidence

66%

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

Golden 1 Credit Union discovered on April 24, 2018, that payment card information and PINs may have been compromised at an ATM in Roseville, CA, between April 7 and April 22, 2018. The incident involved physical skimming or tampering with the ATM. The credit union issued new cards, contacted law enforcement and the ATM vendor, and offered one year of identity theft protection to affected members.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 17 days

discovery → filing · 28 days

Apr 7, 2018

Begins

Apr 24, 2018

Discovered

May 22, 2018

Filed

vs. sector median

4 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: Apr 24, 2018
Breach occurred: Apr 7, 2018 – Apr 22, 2018
Undetected for: 17 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

During the incident: Safeguarding your accounts
Reached out to our ATM vendor
Reached out to law enforcement
Identified the members who may have had their card and PIN information compromised
Issuing new payment cards to affected members
Offering one year of complimentary Equifax Credit Watch Gold with 3-in-1 Monitoring identity theft protection
Changes made: Continuing to investigate the incident
Taking additional steps to ensure account protection
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 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/sb24-136471
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 22, 2018
Raw hash: c7c6689e29888971a8ecdced1faf9d1b7a62445ee69f0dffdfaf2a9dc3223ced

Reporting entityGolden 1 Credit Union

Victim entityGolden 1 Credit Union

Incidentdiscovered Apr 24, 2018

Stated responseSafeguarding your accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov