How Devices Talk
Networks and packets, protocols and code, the cloud and backups, operating systems, smart devices, and updates.
Cybersecurity (First Edition): Welcome!
Becoming a Cyber Defender (First Edition) 🛡️
Section titled “Becoming a Cyber Defender (First Edition) 🛡️”Every time you send a message, play an online game, or save a project to the cloud, your information travels through a world of connected devices. Cybersecurity is how we keep that information safe. In this book you’ll learn how devices talk, the three goals every defender protects, how to spot phishing and harmful bots, how layers of protection work together like a castle, and how to stand up for others online. Security isn’t something to be scared of. It’s something you can do.
What You’ll Learn
Section titled “What You’ll Learn”Protecting Information
The CIA Triad, authentication and authorization, why passkeys beat passwords, and secret codes called encryption.
Spotting Threats
Helpers and harm-doers, phishing and fake messages, bots that protect or attack, and a real cyberattack story.
Defense in Depth
Layers like a castle, locks you can touch, trustworthy supply chains, and why approved tools matter.
Being a Cyber-Smart Citizen
Your digital footprint, upstanders against cyberbullying, real or AI-made media, and rules, laws, and fair use.
Ready to Start?
Section titled “Ready to Start?”👉 Chapter 1: How Devices Talk 👉 Chapter 2: Protecting Information 👉 Chapter 3: Spotting Threats 👉 Chapter 4: Defense in Depth 👉 Chapter 5: Being a Cyber-Smart Citizen