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Free module

Security in practice

Security in practice: threats and risk, passwords and hashing, access control, secrets and secure code, web attacks and responding.

6 lessons270 min lesson

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1

    What attackers want and what we protect

    I can say what an attacker wants and what we protect.

    Read the lesson

  2. 2

    Why passwords are stored as hashes

    I can explain why passwords are stored as hashes.

    Read the lesson

  3. 3

    How injection and cross-site scripting work

    I can explain how injection and cross-site scripting work.

    Read the lesson

  4. 4

    Giving people only the access they need

    I can give each person only the access they need.

    Read the lesson

  5. 5

    Keeping secrets out of your code

    I can keep secrets out of code.

    Read the lesson

  6. 6

    The first steps after a security incident

    I can say the first steps after a security incident.

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