Reader corner Finished the book? Twelve chapters, 45 missions, and you made it to the end. Here's what's waiting for you. Nothing here is locked, and you never need to prove you own the book.
Collect them by playing
Crew Cards One card for every idea in Crew HQ's missions. Every card is free to read. Pass its mission and it shines. …/15 CARDS COLLECTED · TAP A CARD TO FLIP IT
Zara Crew Card Password Reuse One password used on many accounts.
Tell-tale signs Same password for games, email and social "I'll never remember a different one" Defend One key, one door. A password manager remembers them for you.
Collect: Secure or Risky? Zara Crew Card Credential Stuffing Trying leaked email and password pairs on other sites.
Tell-tale signs Lots of failed logins in a short time Attempts from many countries at once Defend Unique passwords and two-step login.
Collect: Read the Log Zara Crew Card The Three Levers How a phish pushes you to act without thinking.
Tell-tale signs Authority: "This is your bank" Urgency: "In the next 10 minutes" Familiarity: "Hey, it's me" Defend STOP · CHECK · VERIFY.
Collect: Triage the Inbox Sofia Crew Card Shadow Footprint What's online about you that someone else posted.
Tell-tale signs Tagged photos you never shared Your name in other people's posts Defend Search yourself with a grown-up, then ask for what you can to come down.
Collect: Google Yourself Sofia Crew Card OSINT Open-source intelligence: building a picture from public scraps.
Tell-tale signs School badge in a photo Street signs, routines, check-ins Defend Post later, crop more, share less.
Collect: Spot the Risk Sofia Crew Card The Three Switches Settings that cut most quiet tracking.
Tell-tale signs Location on for every app Ad-tracking left at default Cookies accepted everywhere Defend Switch off location, ad-tracking and extra cookies.
Collect: Three Switches Maya Crew Card The CIA Triad Confidentiality, integrity, availability: what security protects.
Tell-tale signs C: someone reads what they shouldn't I: something changed A: you can't get in Defend Ask which letter is at risk, then protect that one first.
Collect: Match the CIA Terms Maya Crew Card Defence in Depth Layers of protection, so one failure isn't the end.
Tell-tale signs Only one lock on something important "It's fine, I have a password" Defend Stack layers: strong password, 2FA, updates, backups.
Collect: Triad Sort Maya Crew Card Integrity Attack Changing data quietly instead of stealing it.
Tell-tale signs Numbers that changed overnight Edits nobody remembers making Defend Keep logs and backups, and compare before you trust.
Collect: Integrity Check Rudraaksh Crew Card Passphrase A long password made of random words.
Tell-tale signs Short password with swapped-in symbols Your pet's name plus 123 Defend Four or more random words. Length wins.
Collect: Weak or Strong? Rudraaksh Crew Card Brute Force Guessing passwords over and over until one works.
Tell-tale signs Hundreds of tries on one account A new address every few minutes Defend Long passphrases, lockouts and two-step login.
Collect: Auth Log Audit Rudraaksh Crew Card Push Fatigue Spamming login approvals until someone taps yes.
Tell-tale signs "Is this you?" prompts you didn't start Prompts at 3 a.m. Defend Didn't start it? Deny it, then change your password.
Collect: Read the MFA Prompt Kai Crew Card Malware Families Worm, trojan, ransomware, spyware: sorted by what they do.
Tell-tale signs Files locked with a demand A "free" app that does too much Defend Official app stores, updates, and backups.
Collect: Family Sort Kai Crew Card Smart Device Takeover A gadget quietly controlled by someone else.
Tell-tale signs Device busy when nobody's using it Default password never changed Defend Change defaults, update, and check the device that looks fine.
Collect: Smart-Home Audit Kai Crew Card The Kill Chain The stages of an attack, from scouting to taking action.
Tell-tale signs Recon before the attack Something installed to stay hidden Defend Break any one link and the chain fails.
Collect: Trace the Kill Chain Bonus · from Chapter 1
Defender self-check Print it The book asked you these after Chapter 1. Answer them again now that you've finished. Use a pencil: your answers stay on paper, not on this site.
01 Notice What surprised you most about how attackers think?
02 Name Which attack pattern matters most for your accounts right now?
03 Contain What's the single biggest fix you can make this week?
04 Document Which account gets two-step login first?
05 Watch What tell will you watch for in your messages from now on?
Not finished yet? Start with Chapter 1, free Read the opening of the book right here, then pick up your own copy.
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