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Listed on a ransomware leak site

Thompson Builders Corporation

tbcorp.com

Thompson Builders Corporation was listed on the Securotrop and Akira leak site on Apr 3, 2023. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: United StatesIndustry: Construction
Updated continuously · figures as of Oct 19, 2026
Claimed by
Securotrop, Akira
First listed
Apr 3, 2023
Claims recorded
2

2 Leak-Site Claims.

SecurotropConfirmed claim
Posted on the leak site
May 4, 2026
Collected by Brandefense
May 4, 2026
Data claimed
3633 GB
Leak-site post text, written by the group
Status: AWAITING Size: 3633 GB
AkiraConfirmed claim
Posted on the leak site
Apr 3, 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
Prefix Corp
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SecurotropUSUnited StatesTechnologyNot stated
Lepi Enterprises
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SecurotropUSUnited StatesConstruction692 GB
MAG USA Inc
magusainc.com
SecurotropUSUnited StatesManufacturing1871 GB
Advantage Sintered Metals
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SecurotropUSUnited StatesManufacturingNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
American Campus
americancampus.com
HelixUSUnited StatesConstructionNot stated
mckenneys
mckenneys.com
Iah6477USUnited StatesConstruction295.9 GB
Smith Douglas Homes
smithdouglas.com
HelixUSUnited StatesConstructionNot stated
Macfarlan Capital Partners
macfarlan.com
PearUSUnited StatesConstruction350 GB
Solar Communications International
rftransparent.com
PearUSUnited StatesConstruction1.4 TB
KD Corp
kdconstruction.us
QilinUSUnited StatesConstructionNot 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.