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Free module

Cyber security in practice

Cyber security in practice: protect accounts, harden a web server, find leaked secrets and investigate an incident from its logs.

5 lessons235 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 · Virtual machine lab

    Keeping accounts safe (passwords, two-factor)

    I can set and check good rules for accounts.

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  2. 2 · Container lab

    Hardening a web server so it says less

    I can harden a web server.

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  3. 3 · Container lab

    Finding passwords and keys left in code

    I can find a secret left in code.

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  4. 4 · Virtual machine lab

    Investigating a break-in from its logs

    I can report what happened in an attack, using its logs.

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  5. 5 · Container lab

    Testing your own copy of a web app

    I can test my own copy of an app for common flaws.

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Worked in a real lab

Every lesson of this module is worked in a lab started for you alone. The labs it uses:

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