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Leak-site post naming Sielke, captured by ThreatCluster

Sielke

thegentlemen

Ransomware leak-site victim intelligence

Posted
Nov 12, 2026
Country
DE
Industry
Not Found

What was taken

sielke.com Sielke is a German family company founded in 2002 in Hamburg, operating two brands: Sielke Papier for paper, packaging and office supplies, and Sielke Home for stylish home and living products. Headquartered at Dynamowerk 1 in Hamburg-Harburg, it has been serving businesses and consumers for 23 years. Sielke Papier provides a full range from printing and kraft paper to custom packaging solutions with sustainable FSC-certified options. Sielke Home offers decoration, kitchen, bath, well

Leak-site images (1)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture