Drohnenhersteller: Donaustahl-Chef vor russischen Geheimdiensten abgetaucht
Der Gründer des Rüstungsunternehmens Donaustahl fürchtet um sein Leben. Nach Hinweisen deutscher Sicherheitsbehörden lebt Stefan Thumann inzwischen im Untergrund.
Köln - The founder of arms manufacturer Donaustahl, Stefan Thumann, fears assassination by Russia. "I'm engaged in a life-or-death duel with the Russian military intelligence service," Thumann stated in an RTL and Stern investigative interview. The Bavarian-based Donaustahl, founded by Thumann in 2020, supplies combat drones to Ukraine for its war with Russia.
Thumann said he received intelligence from German security authorities about a Russian intelligence operation against him shortly before Christmas 2025. He now lives "de facto in the underground" and frequently changes his place of residence. Thumann described his daily routine as sleeping in his office next to his computer, working all the time to avoid thinking about the situation.
He has made a will, a declaration of organ donation, and a patient's instruction, according to the report. At 39 years old, Thumann explained that he has taken such measures, "things that one doesn't usually think about at his age."
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