HackingRetail & ConsumerRetailSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Financial accountLowContained

Sears Holdings Corporation

bd_462527eb50757e67 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 15, 2017

Filed

May 17, 2018

To disclose

14 months

Affected

Not disclosed

Confidence

65%

Full breach record for Sears Holdings Corporation →3 incidents on file

Sears Holdings Management Corporation notified customers that a vendor providing online support services for Sears.com and Kmart.com experienced a security incident. An unauthorized individual incorporated a malicious script into the vendor's code, collecting personal information (name, address) and payment card information from customers who completed online orders between September 27, 2017, and October 12, 2017. Sears was informed of the incident in mid-March 2018. Payment card companies were notified, and an investigation was conducted. No evidence suggests Sears' internal systems were accessed.

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California clockDiscovered Mar 15, 2017 → Notified Apr 23, 2018404d ✗ CA 60-day late14 months discovery → filing

Incident timeline

Sep 27, 2017

Begins

May 17, 2018

Filed

vs. sector median

+54 wks slower

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

Name: Sears Holdings Corporation
norm: sears holdings
Domain: sears.com

Name: Sears Holdings Corporation
norm: sears holdings
Domain: sears.com
Industry: Retail & Consumerllm

Discovered: Mar 15, 2017
Breach occurred: Sep 27, 2017 – Oct 12, 2017
Materiality determined: —
Notification sent: Apr 23, 2018
Affected individuals: Not disclosed
Data types: Identity (basic)Financial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Third party: via Vendor providing online support services
Initial access: supply_chain

During the incident: Notified the payment card companies to help prevent potential fraud
Conducted a thorough investigation of the incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(428 days from discovery to filing)
Compliance flags: CA 60-day late · 404d
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: Mar 15, 2017
→ Notified: Apr 23, 2018
404d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Mar 15, 2017 → Notified: Apr 23, 2018	404d	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/sb24-136293
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 17, 2018
Raw hash: 14d33ebf38c467044481a1acef649b97e0121a6579864bb4c2894881a896ba7b

Reporting entitySears Holdings Corporation

Victim entitySears Holdings Corporation

Incidentdiscovered Mar 15, 2017

Stated responseNotified the payment card companies to help prevent potential fraud

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov