PrefaceArjen Kamphuis and the public cause in the digital worldAbout ArjenPart I - Arjen's philosophyPart II - The Infosec BookEpilogue - Gran knows whyAcknowledgementsImage creditsIn his own characteristic way Arjen Kamphuis shows you why you should bother about topics like fundamental rights, open source, security, sovereignty, surveillance, privacy and abuse of power.We live in challenging and confusing times for many following societal developments. Technology is rapidly changing our lives, society and the world. The times of blind and uninformed tech optimism are coming to an end. It is time to have a real conversation.Arjen Kamphuis (1972) was a prolific speaker, writer and activist on the topics of digital rights, open source software, creative commons, privacy and mass surveillance. Inspired by his grandmother, he worked relentlessly to create awareness for a more free and democratic society, up until his mysterious and unresolved disappearance during a holiday in Bodø, Norway in August 2018.Arjen's closest friends and associates have taken the initiative to catalogue the Dutchman's most thought-provoking and visionary words into his publication.This book is for anyone invested in what the future will hold for humanity, and to be inspired on how to create a more safe, just and free world with the help of technological advancements.Because Arjen’s message is more important than ever.This book is, like all Arjen's public work, issued under the license Creative Commons 4.0.Too few politicians recognise the strategic and geopolitical importance of the public cause in the digital world. In his own characteristic way Arjen Kamphuis shows you why you should bother about topics like fundamental rights, open source, security, sovereignty, surveillance, privacy and abuse of power. Introduction by Prof. dr. Bart Jacobs, Radboud University.