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Author: ckahlo

org/vx4.net/index.md

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+---
+layout: org
+title: VX4.NET / ck@vx4.net
+site: https://vx4.net/
+---
+
+VX4.NET is the organisation I, @ckahlo / Christian Kahlo, am running since around 2004 and most people recognize me behind ck@VX4.\
+Additionally I'm a Chief Security Architect at adesso SE, a pan-european IT and software engineering company originating in Germany.\
+Mostly hardware parts come from specialized manufacturers and vendors, in rare cases we start hardware development on our own.\
+Particularly my focus is on (implementation of) cryptography and secure hardware and software development as well security architecture and secure software development lifecycles. With this focus I'm also working as a contractor for the German Federal Office for Information Security, i.e. for [FIDELIO](https://gitlab.com/adessoAG/FIDELIO/).\
+Recent activities together wih German Aerospace Center [DLR](https://www.dlr.de/en) moved my focus a bit more towards secure embedded sensor networks and secure communication in space. The implemented software in most projects is mainly based on C/C++, JavaCard, Golang or Java.