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Hardening and Vulnerability Management

beginner5 labsSubscription

The defensive basics every machine needs: patch it, configure it securely, limit who can do what, and turn off what you do not need. Measure Linux and Windows hosts, turn on the records defenders rely on, rank and fix vulnerabilities, then audit a real server in a hands-on capstone. Builds on Security Foundations.

This path is available with a Purple Edge subscription. Sign in to read the full overview and start the labs.

Labs in this path

  1. 1
    beginner Subscription

    What Hardening Is: Four Habits That Shrink the Attack Surface

    Why new computers usually arrive more open than they need to be, and the four habits defenders use to close them up.

    40 min3 tasksfoundations
  2. 2
    beginner Subscription

    Linux Hardening: Measure, Fix, Measure Again

    Measure a Linux server with an audit tool, read what it finds, see how an administrator hardens SSH and turns off unused services, then measure again to prove it worked.

    55 min3 tasksfoundations
  3. 3
    beginner Subscription

    Windows Hardening: Turn On the Records You Will Need

    A Windows machine records surprisingly little by default. See how an administrator turns on the records defenders need, and what the free Sysmon tool adds.

    50 min3 tasksfoundations
  4. 4
    beginner Subscription

    Patching and Vulnerability Management: Find, Rank, Fix, Check

    Hardening shrinks the attack surface; vulnerability management finds what is still weak. Learn how teams find missing patches, rank them by risk, fix them and prove the fix.

    55 min3 tasksfoundations
  5. 5
    beginner Hands-on lab Subscription

    Capstone: Audit a Server and Write the Fix List

    Deploy a real server, audit it as a defender without changing anything, find the settings an administrator must fix, write the fix list in risk order, and capture the audit flag.

    75 min3 tasksfoundations

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Launch the lab in your browser. Real Kali, Ubuntu and Windows targets, guided step by step. No setup, no VM downloads.

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Updated 2026-11-01

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