DFIR.Dog

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  • August 16, 2025

    Building a better cyber security tabletop exercise – Part 5

    This final post outlines the setup of a WordPress website along with how I run and enhance the delivery of cyber exercises using the platform. The post also looks at updates that are planned for the future.

    Projects
    cyber, cybersecurity, devops, docker, exercise, linux, security, tabletop, technology, ttx, ubuntu
  • August 16, 2025

    Building a better cyber security tabletop exercise – Part 4

    This post describes the setup of an email system using Postfix, Dovecot, and Roundcube on an Ubuntu Server. It outlines installation steps, configuration adjustments for DNS, virtual domains, and initiating webmail access to facilitate internal email services without internet dependency, culminating in a functional Roundcube interface.

    Projects
    cybersecurity, devops, exercise, linux, security, tabletop, technology, ttx, ubuntu
  • August 14, 2025

    Building a better cyber security tabletop exercise – Part 3

    This part of the series details the ongoing setup of a portable cyber exercise system, focusing on configuring services like Nginx and Bind for web and DNS functionalities. It includes instructions for installing CyberChef locally, setting up a Docker container for CTF events, and ensuring accessibility through custom domains without needing internet connectivity.

    Projects
    cybersecurity, devops, exercise, linux, security, tabletop, technology, ttx, ubuntu
  • August 14, 2025

    Building a better cyber security tabletop exercise – Part 2

    This post details the setup of a cyber security training environment using an old laptop with Ubuntu Server 24.04. It outlines the hardware specifications, simulated cybersecurity incidents, and initial configuration steps, including the installation of various packages and Docker.

    Projects
    cybersecurity, devops, exercise, linux, tabletop, technology, ubuntu
  • August 14, 2025

    Building a better cyber security tabletop exercise – Part 1

    Follow along as I share my journey in developing engaging cyber security training. Initially using traditional methods, I transitioned to hands-on activities like capture the flag events for better participant engagement. By recycling equipment and implementing new tools, I was able to create a cost-effective hybrid training environment, allowing participants to utilise their own devices…

    Projects
    cybersecurity, devops, exercise, linux, security, tabletop, technology, ttx, ubuntu

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