Social EngineeringTechnologyRetail & ConsumerInformationPhishingStolen CredentialsMulti-Stage ChainData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDFinancial accountMediumContained

WESCO DISTRIBUTION, INC.

bd_8ba7b4c6189f61ce · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 1, 2019

Filed

Feb 20, 2020

To disclose

33 weeks

Affected

2state residents only

Linked

3 filings

Confidence

66%

Full breach record for WESCO DISTRIBUTION, INC. →

WESCO Distribution, Inc. notified Montana residents that an employee's email account was compromised via phishing on August 15, 2018. The attacker forwarded emails to an unauthorized account until detection on July 1, 2019. Personal information including names, SSNs, and financial data was accessed. WESCO reset credentials, disabled forwarding, and offered one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 320 days

discovery → filing · 33 weeks / 234 days

Aug 15, 2018

Begins

Jul 1, 2019

Discovered

Feb 20, 2020

Filed

vs. sector median

+22 wks slower

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_dc734c4372df0c132020-02-20Verified
Massachusetts State AGbd_31f5c35020b8a2422020-02-21 · +1dVerified

Name: WESCO DISTRIBUTION, INC.
norm: wesco distribution

Name: WESCO DISTRIBUTION, INC.
norm: wesco distribution
Industry: TechnologyllmRetail & Consumerllm

Discovered: Jul 1, 2019
Breach occurred: Aug 15, 2018 – Jul 1, 2019
Undetected for: 320 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)Government IDFinancial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Changed the access credentials for the impacted accounts
Disabled the auto-forwarding rule
Enabled Microsoft’s “conditional access” to our email system
Retained an expert consultant to launch an extensive, programmatic review of the contents of the potentially compromised records
Offering you a complimentary one-year enrollment in Equifax® Credit WatchTM Gold with WebDetect
Changes made: Implementing multi-factor authentication
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 33 weeks(234 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGFeb 20 · first

Montana State AGFeb 20 · first · this page

Massachusetts State AG+1d

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/OCP/Consumer-67.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 20, 2020
Raw hash: 5a533da3193ef5df8ae7a1e42dbf9126675a3eb2af30a584852d542ea69bcc38

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityWESCO DISTRIBUTION, INC.

Victim entityWESCO DISTRIBUTION, INC.

Incidentdiscovered Jul 1, 2019

Stated responseChanged the access credentials for the impacted accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov