Learn cybersecurity the fun way.
Short lessons and quick quizzes, with Alice and Bob as your guides. No experience needed.
How It Works
Six simple steps from beginner to defender. Go at your own pace.
Learn Concepts
Short, illustrated lessons that make the basics easy.
Practice with Games
Quizzes plus hands-on games: sort an inbox, spot red flags, order the steps and crack-test a practice password.
Track Progress
See your skills grow with XP milestones and a visual skill tree.
Daily Streaks
Learn a little every day. Keep your streak alive and earn rewards.
Learn with Friends
Add friends, climb the leaderboard and cheer each other on.
Everywhere You Are
On iOS, Android, macOS and the web. Start on your phone, finish on your laptop.
Your Skill Path
One unit at a time, each building on the last, from beginner to defender.
Cyber Basics
The fundamentals: which threats exist and how to think like a defender.
4 lessonsPasswords
Create strong passwords and manage them well. Password managers, MFA and common weak spots.
4 lessonsPhishing
Spot fake emails, links and social engineering traps before they get you.
4 lessonsSocial Engineering
See how attackers manipulate people. Recognize pretexting, baiting and tailgating.
4 lessonsMalware
Viruses, ransomware, trojans and more, and how to protect yourself.
4 lessonsPrivacy
Protect your personal information online with data minimization, encryption and privacy-first habits.
4 lessonsScams
Spot fake shops, investment and romance cons, and callers pretending to be your bank or family.
4 lessonsDevice Security
Keep phones and computers updated, locked and free of risky apps. Know what to do if one goes missing.
4 lessonsWi-Fi & Networks
Secure your home router, stay safe on public Wi-Fi, and learn what the padlock and a VPN really do.
4 lessonsIdentity Theft
How criminals steal and misuse your details, what to do after a data breach, and how to win accounts back.
4 lessonsAI & Deepfakes
Fake videos, cloned voices and convincing AI-written messages. Learn how to verify before you trust.
4 lessonsSafe at Work
Fake invoices and boss requests, working remotely, and handling customer and company data with care.
4 lessonsSafe Banking
Protect cards and payment apps, and know what to do in the first minutes after a suspicious payment.
4 lessonsEmail & Messaging
Handle spam and attachments, understand encrypted chats, and never hand over a verification code.
4 lessonsSocial Media
Share without oversharing, spot fake profiles and giveaways, and lock down your social accounts.
4 lessonsSmart Home
Smart TVs, cameras, speakers and doorbells: set them up safely and retire them without leaving data behind.
4 lessonsBackups & Ransomware
Back up what matters, understand how ransomware locks files, and recover calmly when something goes wrong.
4 lessonsFamily & Kids
Talk with children and older relatives about online risks, set sensible controls, and handle games and in-app spending.
4 lessonsTravel Security
Prepare your devices before a trip, stay safe with hotel Wi-Fi, cash machines and chargers, and avoid fake booking sites.
4 lessonsCalls & Texts
Deal with scam calls and texts, and protect your phone number from SIM-swap takeovers.
4 lessonsBrowser Safety
Choose browser extensions wisely, shut down fake alerts and notification spam, and download software safely.
4 lessonsFake News
Check who is behind a claim, spot misleading images and clips, and pause before you pass something on.
4 lessonsCrypto Safety
Protect wallets and recovery phrases, use exchanges and apps carefully, and recognise the most common crypto traps.
4 lessonsWhen Things Go Wrong
A calm plan for the first hour after clicking a bad link, losing an account or finding a device infected.
4 lessonsStay Motivated
Learning cybersecurity should feel like a game. Earn XP, keep your streaks alive, climb the ranks and fill your Threat log.
XP System
Earn XP for every lesson and quiz. Watch your progress bar fill as you level up.
Daily Streaks
Keep the fire alive! Complete at least one lesson every day to build your streak.
Rank System
Climb through 8 ranks as you earn XP, from Newbie to legendary cyber defender.
Meet Your Guides
Two friendly guides will take you from cyber newbie to security pro.
Alice
The Cyber Defender
Alice is your expert guide to cybersecurity. She explains concepts clearly, shows best practices and helps you think like a security pro.
Bob
The Friendly Helper
Bob is your cheerful companion who celebrates every milestone with you. He keeps the energy up, gives hints when you're stuck and makes learning feel like play.
What Learners Say
Join thousands of people learning cybersecurity the fun way.
"I never thought cybersecurity could be this fun! Alice & Bob made complex topics feel like a game. I actually look forward to my daily lessons."
"The streak system keeps me coming back every day. I have a 45-day streak going and I have already completed 3 units. Best cybersecurity app out there!"
"I use this to train my whole team. The quiz format is perfect for reinforcing concepts, and the leaderboard adds healthy competition. Highly recommend!"
Ready to become a cyber defender?
Join thousands of learners building security skills with Alice & Bob. It's free, fun and takes just 5 minutes a day.
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