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  • Joined Jul 27, 2026

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christopherhaley-sec/README.md

Hi there, I'm Christopher Haley 👋

🎓 B.S. Cybersecurity | 💻 Aspiring DevSecOps Engineer

I am a cybersecurity graduate working building a strong foundation in IT systems administration, security automation, and secure software delivery pipelines.

🛠️ Technical Skills

  • Operating Systems: Windows 10/11, Windows Server, Linux (Ubuntu/Debian)
  • Directory Services & SysAdmin: Active Directory (AD), Group Policy (GPO), DNS, DHCP, User/OU Management
  • Scripting & Automation: PowerShell, Bash, Python
  • Virtualization & Labs: Oracle VirtualBox, VMware Workstation, Virtual Machines
  • Core Concepts: TCP/IP Networking, System Hardening, Log Analysis, Technical Troubleshooting

📁 Featured Projects & Labs

  • 🖥️ Active-Directory-Home-Lab: Multi-VM environment configured with Windows Server, AD DS, DNS/DHCP services, and joined Windows 11 client nodes.
  • 📜 PowerShell-AD-Automation: PowerShell scripts for automated bulk user account onboarding from CSV files and group permission assignments.
  • 🛠️ SysInfo-Health-Checker: Cross-platform system diagnostic and health collector script for quick IT support troubleshooting.

📬 Connect with Me

Popular repositories Loading

  1. christopherhaley-sec christopherhaley-sec Public

  2. Active-Directory-Home-Lab Active-Directory-Home-Lab Public

    Hands-on documentation for setting up a Windows Server 2022 Domain Controller, DNS, DHCP, GPOs, and joined Windows 11 client nodes on VMware.

  3. PowerShell-AD-Automation PowerShell-AD-Automation Public

    Production-ready PowerShell automation script for bulk Active Directory user onboarding with CSV parsing and error handling.

    PowerShell

  4. SysInfo-Health-Checker SysInfo-Health-Checker Public

    Cross-platform diagnostic tool in PowerShell and Bash that queries host health metrics and writes automated audit logs.

    PowerShell