Linus is founder and CEO of Pinauten GmbH, a German company specialized in the security of iOS and macOS. In their spare time, Linus is also the developer of Fugu (iOS 13 checkm8 based jailbreak) and Fugu14 (iOS 14 untethered jailbreak - the first publicly available untethered jailbreak since iOS 9), as well as other stuff. Linus started hacking Apple devices at the age of 15.