ASecurityAcademy
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Medium

Crypto and CTF Prep

A grab-bag of the puzzle skills that show up in every CTF. Cryptography, steganography, password cracking and open-source intelligence, capped off with a challenge box to test your speed.

5 rooms 1020 points
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Path modules

  1. 1
    🔒 Pro Medium

    Tell encoding, hashing, and encryption apart, then break some.

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  2. 2
    🔒 Pro Medium

    Messages hidden inside ordinary files.

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  3. 3
    Passwords

    Password Cracking

    🔒 Pro Medium

    From captured hashes to plaintext passwords.

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  4. 4
    Easy

    Find what is hiding in plain sight.

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  5. 5
    Medium

    A short challenge box to test what you have learned.

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