Pick a topic, take quick challenges, unlock your certificate — all in one page.
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Pick the track that matches your class: platforms, security foundations, or exam prep.
Passwords, phishing, updates, least privilege — the stuff everyone needs.
BeginnerLinux, Windows, macOS question sets for labs or OS-specific days.
OS focusedRecon → scanning → exploitation → reporting, in short bursts.
Challenge modeChoose a topic, answer the questions, see feedback right away.
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Simple no mess, no login, quiz page to build skills