Frequently asked questions

None at all. We assume zero prior knowledge and build up from first principles with plain-language explanations and diagrams. If you can use a web browser, you can begin.

No. Rooms are self-contained — you learn and solve challenges right on the site. For a few topics where local tools help, we tell you exactly what to install and walk you through it.

You'll understand how common attacks work and how to defend against them — web vulnerabilities, Linux and networking fundamentals, and more specialised areas like reverse engineering and game hacking, depending on the paths you follow.

No. Developers use it to write safer code, IT staff use it to move into security, students use it to break into the field, and hobbyists use it because taking things apart is fun.

Yes. A set of beginner rooms is free forever, along with your profile, points and leaderboard access. Upgrade to a Pro pass when you want the full library.

No. Plans are sold as fixed-period access passes (monthly or yearly). They never charge you automatically — you choose to renew each period, and we email you before a pass expires.

UPI and PayPal. UPI is ideal within India; PayPal works worldwide. We never see or store your card details.

UPI transfers are verified by our team, usually within a few hours. Your order shows as "awaiting verification" on your billing page and activates automatically once confirmed. If it's been longer, contact us with your transaction reference.

Yes — within our refund window if you've completed fewer than three rooms. See the Refund & Cancellation Policy for details.

It's kept forever. Cancelling only turns off future renewal — you keep full access until the pass expires, and your completed rooms, points and badges never disappear.

Yes, if you prefer. You can also use a normal email and password, and enable two-factor authentication for extra protection.

We only collect what's needed to run your account and never sell it. Passwords are stored as bcrypt hashes and we never see your card details. See our Privacy Policy.

Yes — permanently, any time, from your Account page. It removes your profile, progress and personal data.

Yes. Team plans let you buy seats, invite members, assign specific rooms, and track everyone's progress from one dashboard. See the business page.

Yes — you earn shareable certificates as you complete learning paths, useful for your CV or LinkedIn.