FEDERALItem 1.05 · mandatoryThird-Party / Supply ChainRetail & ConsumerRetailSupply Chain (3P Vendor)LowActive

Sonic Automotive, Inc.

bd_36e25d22f9c4d664 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Jul 5, 2024

To disclose

—

Affected

Not disclosed

Confidence

67%

Full breach record for Sonic Automotive, Inc. →3 incidents on file

Sonic Automotive, Inc. reported disruptions to its dealer management and CRM systems since June 19, 2024, caused by a cybersecurity incident at its third-party provider, CDK Global. The filing is a supplemental Item 1.05 disclosure updating a June 21, 2024 report. Basic DMS functionality has been restored, but other systems remain offline. The Company determined the incident is reasonably likely to have a material impact on Q2 2024 results due to slower vehicle sales. No specific data types affected or individual counts were disclosed.

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Incident timeline

Jun 19, 2024

Begins

Jul 5, 2024

Filed

Part of CDK GLOBAL II LLC supply-chain incident (2024) — a supply-chain cascade affecting multiple organizations.View cascade →

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

Name: Sonic Automotive, Inc.
norm: sonic automotive
SEC CIK: 0001043509
Domain: sonicautomotive.com

Name: Sonic Automotive, Inc.
norm: sonic automotive
SEC CIK: 0001043509
Domain: sonicautomotive.com
Industry: Retail & Consumerllm

Discovered: —
Breach occurred: Jun 19, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: —
Attack vector: Third-Party / Supply Chain
Third party: via CDK Global

During the incident: Continues to investigate and test such systems
Closely monitored the effect of the Incident on its business, financial condition and results of operations
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 filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statementThis record

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.sec.gov/Archives/edgar/data/1043509/000104350924000060/sah-20240705.htm
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Jul 5, 2024
Raw hash: 064814894cbbebf56e053758eaec140bc36b2c39c6048fbad867435214d9e46b

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Reporting entitySonic Automotive, Inc.

Victim entitySonic Automotive, Inc.

IncidentThird-Party / Supply Chain

Stated responseContinues to investigate and test such systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing