HackingRetail & ConsumerRetailData MishandlingSupply Chain (3P Vendor)Customer Data InvolvedData ExfiltratedIdentity (basic)Health (basic)PHIMediumContained

WALMART INC.

bd_3ab36a7f745a1a57 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 16, 2021

Filed

Mar 5, 2021

To disclose

17 days

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for WALMART INC. →15 incidents on file

Walmart Inc. issued a Delaware state AG breach notification regarding a third-party data hosting service compromise. An unauthorized party accessed records on January 20, 2021, and Walmart was notified on February 16, 2021. Walmart's own systems were not affected. Affected data included names, addresses, DOB, phone numbers, and prescription/medication details. Walmart offered one year of identity monitoring services.

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Incident timeline

undetected · 27 days

discovery → filing · 17 days

Jan 20, 2021

Begins

Feb 16, 2021

Discovered

Mar 5, 2021

Filed

vs. sector median

5 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_ffcca6d35d3679df2021-03-05Verified

Name: WALMART INC.
norm: walmart
Domain: walmart.com

Name: WALMART INC.
norm: walmart
Domain: walmart.com
Industry: Retail & Consumerllm

Discovered: Feb 16, 2021
Breach occurred: Jan 20, 2021
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Initial access: supply_chain

During the incident: Supplier immediately stopped using the affected service
Reviewing supplier's security practices
Monitoring the circumstances surrounding this event
Secured one year of identity monitoring services
Changes made: Reviewing supplier's security practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCRMar 5 · first

Delaware State AGMar 5 · first · this page

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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2021/03/Template-Notification-Letter-Wyrick-Submission.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 5, 2021
Raw hash: 33ee85d5eba2d027e81fef476a59fcd2306c029ac12748b6cd213932bab87c40

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWALMART INC.

Victim entityWALMART INC.

Incidentdiscovered Feb 16, 2021

Stated responseSupplier immediately stopped using the affected service

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov