Thorsten Schröder has been active as a technical consultant in the field of applied IT-Security for many years. His areas of expertise lie in the verification of software in either source or binary form. More recently, Thorsten's research has resulted in several open source hardware projects, most notably the "Keykeriki", an RF-analysis tool for sniffing and attacking 2.4GHz based radio devices such as wireless keyboards. Thorsten has also been involved in several software reverse-engineering projects such as the CCC's analysis of the German Federal Trojan known as "0zapftis". Thorsten is the co-founder of the Swiss modzero AG, established in 2011, as well as the German branch, modzero GmbH, established in January 2013.