MalwareRetail & ConsumerRetailRansomwareData EncryptedFinancial accountLowContained

Sonic Drive-In

bd_8d72e1c8eac1222f · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Oct 4, 2017

To disclose

—

Affected

Not disclosed

Confidence

67%

Sonic Drive-In notified Montana AG of a malware attack at certain locations where credit and debit card numbers may have been acquired without authorization. The company engaged law enforcement and third-party forensics, and offered 24 months of free fraud detection and identity theft protection through Experian.

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Incident timeline — partial

? — ?

Breach window unknown

Oct 4, 2017

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

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

Name: Sonic Drive-In
norm: sonic drive-in

Name: Sonic Drive-In
norm: sonic drive-in
Industry: Retail & Consumerllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: working with law enforcement in their investigation

During the incident: Contacted law enforcement
Began our own investigation with the help of experienced third-party forensics firms
Offering customers who used their cards at our locations this year to receive 24 months of free fraud detection and identity theft protection through Experian’s IdentityWorks program
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 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://dojmt.gov/wp-content/uploads/Sonic.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 4, 2017
Raw hash: 3584d9dc89cc1c67c03e0c668df57f1bfe59bc7fed086e3e8d517690a9ddd8cb

Reporting entitySonic Drive-In

Victim entitySonic Drive-In

IncidentRansomware

Stated responseContacted law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov