The thegentlemen ransomware group listed Kosmos on its data leak site on 2026-07-07. Country: DE Sector: Energy & Utilities Domains named: kosmos.de, zoominfo.com, germany.founded, kits.it Claim as published on the leak site: ***.de zoominfo.com/c/kosmos/470278755 Franckh-Kosmos Verlags-GmbH & Co. KG, a prominent media publishing house based in Stuttgart, Germany.Founded in 1822 by Johann Friedrich Franckh, the company is one of the leading publishers of guidebooks, children's books, board games, and educational experiment kits.It successfully combines long-standing tradition with modern trends to offer engaging products for children, families, and hobbyists
OffSet7 / Dark Web / thegentlemen
Kosmos listed by thegentlemen ransomware group
- Group
- thegentlemen
- Sector
- Energy & Utilities
- Country
- Germany
- First seen
- 7 July 2026
This is a claim published by the threat group itself and has not been independently verified. OffSet7 does not host or link to any leaked data.
Monitor your company and suppliers
Get an alert the moment a ransomware group names your company or one of your suppliers.