Digital Fortress: Your Essential Guide to Online Security
Expanded Second Edition
Hackers, scammers, fake support agents, phishing texts, AI voice scams, stolen passwords, fake investment platforms, public Wi-Fi risks, and identity theft are no longer distant problems. They are part of everyday digital life.
The good news? You do not need to be a cybersecurity expert to protect yourself.
Digital Fortress is a practical, plain-English guide to securing your accounts, devices, money, privacy, and personal information. Written by cybersecurity and fraud prevention expert Markus Bergthaler, this expanded second edition turns complex online threats into clear, usable habits anyone can follow.
Inside, you'll learn how to:
Create strong, unique passwords without losing your mindUse password managers, passkeys, and recovery codes safelySet up multi-factor authentication and avoid MFA fatigue attacksRecognize phishing emails, fake websites, QR-code scams, and text-message trapsProtect your phone, laptop, smart home devices, and backupsSecure online banking, payment apps, credit cards, and financial accountsUnderstand crypto scams, fake investment platforms, and recovery scamsLock down social media privacy and avoid impersonation, romance, and job scamsStay safer on public Wi-Fi while traveling or working remotelyProtect seniors, kids, families, and small businesses from common attacksRespond quickly if an account is hacked or money has already movedThis expanded edition also includes new sections on AI scams, deepfakes, voice cloning, passkeys, phishing-resistant MFA, social media scam ads, family safety, and a 30-day digital security plan.
No fear tactics. No technical gatekeeping. No endless jargon.
Just practical advice, real-world examples, checklists, scripts, and step-by-step guidance to help you make a criminal's job harder.
Whether you are banking online, shopping, managing social media, helping a parent avoid scams, protecting your children, or running a small business, Digital Fortress gives you the tools to build safer habits before something goes wrong.
Build your digital fortress today and protect what matters most.