Privacy Tools in the Age of AI: Practical Strategies with VPNs, Secure DNS, Private Relay and Intelligent Defenses (Self-Hosted AI, VPNs, and Digital Privacy)

Build Stronger Digital Privacy in the Age of AI

In today’s hyper-connected world, your personal data is constantly at risk—from advertisers, data brokers, hackers, and even artificial intelligence (AI). Privacy Tools in the Age of AI is a practical guide to protecting yourself online with modern tools and smarter digital habits. Based on 10 years of open-source development trusted by millions of users worldwide, this book provides clear, reliable guidance you can trust.

From WireGuard, OpenVPN, IKEv2 VPN, and secure DNS to Apple’s iCloud Private Relay, Tor, and AI-powered intelligent defenses, this book explains what works, what doesn’t, and how to set it all up in clear, simple steps. Written for both everyday internet users and IT professionals, it balances hands-on advice with insights into emerging trends shaping the future of digital privacy.

Whether you’re securing your home Wi-Fi, protecting sensitive data, or just trying to browse without being tracked, this book gives you the knowledge and confidence to take control of your online privacy.

Get your copy of this book today and start building stronger digital privacy.

Lin Song, PhD, is a software engineer, author, and open source developer. He creates practical tools for self-hosted AI, online privacy, and secure infrastructure, including the Self-Hosted AI Stack and Setup IPsec VPN projects. Since 2014, his VPN projects have collectively earned 40,000 GitHub stars, while their Docker images have been pulled more than 30 million times, helping millions of users build and manage their own VPN servers. He is the author of The Self-Hosted AI Builder's Guide, Privacy Tools in the Age of AI, and practical guides to building IPsec, OpenVPN, and WireGuard servers. His work combines maintained open source projects with clear, practical guidance for building and operating systems you control.