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Listed on a ransomware leak site

Sems and Specials

semsandspecials.com

Sems and Specials was listed on the Medusa and 8BASE leak site on Jan 23, 2024. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: United StatesIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
Medusa, 8BASE
First listed
Jan 23, 2024
Claims recorded
2

2 Leak-Site Claims.

MedusaConfirmed claim
Posted on the leak site
May 30, 2024
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Sems and Specials (founded in 1990) - manufacturer of various screws, types of washers, head styles, drive styles, materials, as well as other various fastening and connecting elements. Sems and Specials corporate office is located in 6483 Falcon Rd, Rockford, Illinois, 61109, United States. The total amount of data leakage is 122.13 GB
8BASEConfirmed claim
Posted on the leak site
Jan 23, 2024
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
sems and specials is your go-to source for cold formed quality fasteners. our innovative products are produced to our highest standards, ensuring durability and reliability when you need it most. our standard and custom products along with our industry experience are unrivaled. think outside the box - we encourage it! since 1991, as a cold heading manufacturer of fasteners, sems and specials has offered a diverse portfolio of products ranging from standard commercial to custom specials and ending with class ii military hardware. [removed]

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Walman Optical
walman.com
MedusaUSUnited StatesHealthcareNot stated
Northeast Missouri Rural Telephone
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MedusaUSUnited StatesTelecommunicationsNot stated
TouchSource
touchsource.com
MedusaUSUnited StatesTechnologyNot stated
Big Thumb
bigthumb.com
MedusaUSUnited StatesTechnologyNot stated
Live! Casino
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MedusaGBUnited KingdomHospitality and TourismNot stated
University of Mississippi Medical Center (@ummcdata)MedusaAEUnited Arab EmiratesNon-profit and Civil SocietyNot 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.