PhysicalRetail & ConsumerRetailTheftCustomer Data InvolvedIdentity (basic)Government IDFinancial accountFinancialMediumContained

Mercedes-Benz of Walnut Creek

bd_6cea90841c135a45 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 8, 2013

Filed

Feb 25, 2013

To disclose

17 days

Affected

Not disclosed

Confidence

66%

Full breach record for Mercedes-Benz of Walnut Creek →

Mercedes-Benz of Walnut Creek experienced a physical break-in between Feb 7-8, 2013. Thieves pried open doors and file cabinets, removing customer deal jackets and service files. Affected data includes names, addresses, SSNs, credit reports, driver's licenses, insurance info, and possibly credit card numbers. The dealership reported the incident to police and offered one year of identity protection services to affected customers.

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California clockDiscovered Feb 8, 2013 → Notified Feb 18, 20139d ✓ CA 60-day OK17 days discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 17 days

Feb 7, 2013

Begins

Feb 8, 2013

Discovered

Feb 25, 2013

Filed

vs. sector median

5 wks faster

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

Name: Mercedes-Benz of Walnut Creek
norm: mercedes benz of walnut creek
Domain: mbofwalnutcreek.com

Name: Mercedes-Benz of Walnut Creek
norm: mercedes benz of walnut creek
Domain: mbofwalnutcreek.com
Industry: Retail & Consumerllm

Discovered: Feb 8, 2013
Breach occurred: Feb 7, 2013 – Feb 8, 2013
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Feb 18, 2013
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountFinancial
Data elements: Social Security number
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial
Regulator citations: Reported to Walnut Creek Police Department

During the incident: Reported this incident to the Walnut Creek Police Department
Offering a complimentary one-year membership of Experian’s ProtectMyID Alert
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: CA 60-day OK · 9d
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: Feb 8, 2013
→ Notified: Feb 18, 2013
9d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 8, 2013 → Notified: Feb 18, 2013	9d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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/sb24-38981
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 25, 2013
Raw hash: c0dad48a8b29d1c07a0f2890ba431144a17da167e52f290344593aab679b420b

Reporting entityMercedes-Benz of Walnut Creek

Victim entityMercedes-Benz of Walnut Creek

Incidentdiscovered Feb 8, 2013

Stated responseReported this incident to the Walnut Creek Police Department

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov