An enthusiast programmer with a passion for computer security and low-level aspects of IT. Coldwind authored the bestselling "Zrozumieć Programowanie" ("To Understand Programming") book, co-authored the "Praktyczna Inżynieria Wsteczna" ("Reverse Engineering in Practice"), as well as numerous articles, publications, podcasts and lectures devoted to mentioned topics. In 2013, he was awarded a Pwnie Award (together with Mateusz Jurczyk) in the "Most Innovative Research" category in the field of computer security. Coldwind is the co-founder and former captain of Dragon Sector – historically one of the best competitive security teams in the world. He's also the co-creator of Hackeler8 – an e-sport hacking competition and creator of Paged Out! – an experimental technical magazine. He spent most of his 17-year professional career on Google's information security team. Currently he's the managing director of HexArcana Cybersecurity GmbH.