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Network Security: Implementing Basic Network Security

Analyze network traffic to identify malicious activity and find the infected host before it's too late! Identify suspicious HTTP requests, extract a malicious file direct from network traffic, and track down the origins of attacker controlled communications to quickly and efficiently secure the network.

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Lab Info
Rating
(43)
Level
Beginner
Last updated
Jul 30, 2025
Duration
40m

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Table of Contents
  1. Challenge

    Getting Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    Analyze Network Traffic to Identify Malicious Activity

    Analyze network traffic to identify malicious activity amongst normal legitimate traffic and find the victim host.

  3. Challenge

    The Last Challenge

    Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

About the author

Matt has a degree in Chemical engineering and a PhD in mathematical chemistry. He is also a GIAC certified incident handler and penetration tester and has regulated cyber security in the UK civil nuclear sector for many years.

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