HackingRetail & ConsumerRetailSupply Chain (3P Vendor)Customer Data InvolvedPCIIdentity (basic)LowContained

W.W. GRAINGER, INC.

bd_e6ca845903bcf77c · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 10, 2018

Filed

Apr 17, 2018

To disclose

7 days

Affected

65state residents only

Linked

5 filings

Confidence

66%

Full breach record for W.W. GRAINGER, INC. →3 incidents on file

Grainger, Inc. notified customers of a third-party data breach involving its online chat service provider, [24]7.ai. The incident occurred between September 26 and October 12, 2017, potentially exposing credit card numbers, security codes, expiration dates, names, and addresses of customers who used guest checkout. Grainger engaged forensic experts, notified law enforcement and credit card companies, and offered one year of identity monitoring via Kroll.

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Incident timeline

undetected · 196 days

discovery → filing · 7 days

Sep 26, 2017

Begins

Apr 10, 2018

Discovered

Apr 17, 2018

Filed

vs. sector median

8 wks faster

This filing is one of 5 filings about the same incident.View merged incident

Part of [24]7.ai supply-chain incident (2018) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_c0b4f1c05e8f1a1b2018-04-17Verified
Massachusetts State AGbd_6caecc5f9930ca1a2018-04-20 · +3dVerified
Oregon State AGbd_6cb01f45a52b50042018-04-20 · +3dVerified by operator
California State AGbd_a12fd61c534fd6ab2018-04-20 · +3dVerified

Name: W.W. GRAINGER, INC.
norm: ww grainger
Domain: grainger.com

Name: W.W. GRAINGER, INC.
norm: ww grainger
Domain: grainger.com
Industry: Retail & Consumerllm

Discovered: Apr 10, 2018
Breach occurred: Sep 26, 2017 – Oct 12, 2017
Undetected for: 196 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 65state-resident count only
Data types: PCIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: notifying law enforcement officials
Third party: via [24]7.ai
Initial access: supply_chain

During the incident: Working with a leading cybersecurity expert to conduct its own investigation
Alerting the credit card companies about the situation and affected cards
Notifying law enforcement officials
Communicated regularly with [24]7.ai
Offering identity monitoring services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGApr 17 · first

Montana State AGApr 17 · first · this page

Massachusetts State AG+3d

Oregon State AG+3d

California State AG+3d

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/Grainger.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 17, 2018
Raw hash: a5e86c74763ba60eafff07c6bab8ec4478537a8437edb2686a6166cadb5a0e24

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityW.W. GRAINGER, INC.

Victim entityW.W. GRAINGER, INC.

Incidentdiscovered Apr 10, 2018

Stated responseWorking with a leading cybersecurity expert to conduct its own investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov