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Listed on a ransomware leak site

Wesco International

wesco.com

Wesco International was listed on the Exfilsquad and BlackBasta leak site on Aug 1, 2023. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Exfilsquad, BlackBasta
First listed
Aug 1, 2023
Claims recorded
2

2 Leak-Site Claims.

ExfilsquadConfirmed claim
Posted on the leak site
Jul 26, 2026
Collected by Brandefense
Jul 27, 2026
Data claimed
40 GB
Leak-site post text, written by the group
Revenue: $24B DATA SUMMARY: 2.6M~ records containing: customer and employee PII, account and contact data, CRM user profiles, credit and business identifiers, authentication metadata, and access information.
BlackBastaConfirmed claim
Posted on the leak site
Aug 1, 2023
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
District of Columbia Public Schools (dcps.dc.gov)
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Bonava
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City of Atlanta
atlantaga.gov
ExfilsquadUSUnited StatesGovernment and Public SectorNot stated
City of Houston
houstontx.gov
ExfilsquadUSUnited StatesGovernment and Public SectorNot stated
Viavi Solutions
viavisolutions.com
ExfilsquadUSUnited StatesTechnologyNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
GTL Concreto e Logística LTDA
gtlconcreto.com.br
EmperadorBRBrazilManufacturing2 GB
American Campus
americancampus.com
HelixUSUnited StatesConstructionNot stated
POWERsonic Industries Inc.AuroraCACanadaManufacturingNot stated
SMIC US Company (Sunnyvale, CA, US arm of Semiconductor Manufacturing International Corpo...
smics.com
N0nCNChinaManufacturingNot stated
mckenneys
mckenneys.com
Iah6477USUnited StatesConstruction295.9 GB
Pergande
pergande.de
QilinDEGermanyManufacturingNot stated

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.