VPN: Secure Journeys on the Digital Highway

Safe internet use is no longer optional today; it is a necessity.Whether working from home, using public Wi-Fi, supporting an association, or running a small business, anyone transmitting data over unsecured networks exposes themselves to real risks.This book provides a practical, accessible, and technically sound introduction to VPN technologies without marketing jargon and without dangerous oversimplifications.It explains not only how VPNs work, but above all why, when, and where they should be used, as well as where their limitations lie.What you will find in this bookAn accessible introduction to VPN fundamentals, even without prior knowledgeTechnical deep dives into OpenVPN, WireGuard, and other technologiesSecure configurations for private users, small and medium-sized businesses, and associationsRealistic threat scenarios drawn from practical experienceCommon mistakes, misconceptions, and dangerous mythsSecurity and data protection considerations in the European contextA clear distinction between marketing promises and technical realityField-tested recommendations instead of purely theoretical ideal scenariosWho is this book for?Private users who want to protect themselves on public Wi-Fi networksFreelancers, small and medium-sized businesses, and associations without their own IT departmentAdministrators and technically interested readersPeople who want to understand what security really meansReaders who want to take responsibility for their own dataWhat this book deliberately is notA superficial VPN guideAn advertising brochure for VPN providersA simple click-here-and-you-are-done manualFearmongeringInstead:Honest technology. Clearly explained. Applied in practice.