HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedIdentity (basic)Financial accountLowContained

Sam's Club

bd_ac1ed11c901502c4 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 1, 2020

Filed

Dec 10, 2020

To disclose

—

Affected

1state residents only

Linked

7 filings

Confidence

66%

Full breach record for Sam's Club →2 incidents on file

Sam's Club notified Montana residents that in mid-November 2020, an unauthorized party used stolen login credentials (likely from a third-party breach) to access member accounts. The incident may have exposed names, contact info, membership details, and partial payment card data. Sam's Club reset passwords, issued new membership numbers, and provided one year of free credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 6 weeks / 39 days

Nov 1, 2020

Discovered

Dec 10, 2020

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_30083d1eae0d677f2020-12-10Verified
Maine State AGbd_64d5d6cea3603f752020-12-10Candidate
New Hampshire State AGbd_3342767f104cb53f2020-12-18 · +8dVerified
Indiana State AGbd_93a0a624f3fce5042020-12-18 · +8dVerified

Show 2 more filings ↓up to 20d gap

New Hampshire State AGbd_5ae561446033257a2020-12-22 · +12dVerified
Indiana State AGbd_5eb237bb8ca1e6fd2020-11-20 · +20dCandidate

Name: Sam's Club
norm: sam s club
Domain: samsclub.com

Name: Sam's Club
norm: sam s club
Domain: samsclub.com
Industry: Retail & Consumerllm

Discovered: Nov 1, 2020
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Reset your online password and sent you an email explaining how to create your new password
Issuing you a new membership number
Arranged for one year of free identity protection and credit monitoring services through Experian
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.

Filing propagation · 7 filings · 4 states

View merged incident ↗

Indiana State AGNov 20 · first

Indiana State AG+20d

Maine State AG+20d

Montana State AG+20d · this page

New Hampshire State AG+28d

Indiana State AG+28d

New Hampshire State AG+32d

Pattern: first filing Nov 20 (IN), last Dec 22 (NH) — a 32-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/samsclubSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 10, 2020
Raw hash: 27db299c9abda05586605942dabe36d477da9b2600c8bab7ecb39ff0b1c93e35

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entitySam's Club

Victim entitySam's Club

Incidentdiscovered Nov 1, 2020

Stated responseReset your online password and sent you an email explaining how to create your new password

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov