PhysicalFinancial ServicesFinanceSkimmerCustomer Data InvolvedFinancial accountFinancial credentialsIdentity (basic)LowContained

Bank of the West

bd_e8bbdf7a7617d96a · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 10, 2021

Filed

Jun 23, 2022

To disclose

32 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Bank of the West →10 incidents on file

Bank of the West notified customers that ATM skimming devices installed on several ATMs compromised debit card numbers, PINs, and possibly names and addresses. The bank identified unauthorized withdrawal attempts on November 10, 2021, and contained the incident by taking ATMs offline and issuing new cards. Affected individuals were offered one year of credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Nov 10, 2021 → Notified Jun 23, 2022225d ✗ CA 60-day late32 weeks discovery → filing

Incident timeline

discovery → filing · 32 weeks / 225 days

Nov 10, 2021

Discovered

Jun 23, 2022

Filed

vs. sector median

+23 wks slower

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

Name: Bank of the West
norm: bank of the west

Name: Bank of the West
norm: bank of the west
Industry: Financial Servicesllm

Discovered: Nov 10, 2021
Materiality determined: —
Notification sent: Jun 23, 2022
Affected individuals: Not disclosed
Data types: Financial accountFinancial credentialsIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial

During the incident: Contacted law enforcement
Reviewed ATM network
Took steps to stop the continued fraudulent use of stolen card information
Actively monitoring your account(s) for suspicious activity
Taking the ATM machines in question out of service
Inspecting them for evidence of tampering
Working closely with law enforcement
Blocked accounts with suspicious or fraudulent activity
Sent new debit card with instructions for creating a new PIN
Changes made: Offering a year of free credit monitoring and identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 32 weeks(225 days from discovery to filing)
Compliance flags: CA 60-day late · 225d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 10, 2021
→ Notified: Jun 23, 2022
225d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 10, 2021 → Notified: Jun 23, 2022	225d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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/sb24-554547
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 23, 2022
Raw hash: 106eec09191ad5b02896f513942966d4e760b0b75debb2237692fe5ba9ba11d6

Reporting entityBank of the West

Victim entityBank of the West

Incidentdiscovered Nov 10, 2021

Stated responseContacted law enforcement

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov