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wcallender/README.md

Wade O Callender

AT&T Field Technician | B.S. Cybersecurity | Security+ Candidate
Dallas, Texas

Cybersecurity graduate building hands-on labs focused on cloud security, Linux hardening, and intrusion detection.

🔐 Focus Areas

  • AWS Cloud Security
  • Linux Server Hardening
  • Intrusion Detection & Monitoring
  • Security Automation & Scripting

🧪 Featured Projects

AWS EC2 Linux Hardening Lab

Deployment and hardening of an Ubuntu EC2 instance using layered security controls including:

  • SSH key-based authentication
  • Disabled root login
  • UFW firewall rules
  • Fail2Ban intrusion prevention
  • Authentication log monitoring
  • Hands-on AWS security lab demonstrating Linux server hardening, SSH security controls, firewall configuration, and intrusion detection.

Repository: https://github.com/wcallender/aws-ec2-linux-hardening-lab

Bash Tools for Technicians

Automation scripts designed to improve workflow efficiency and operational safety for field technicians.

📚 Currently Learning

  • CompTIA Security+ (SY0-701)
  • SIEM monitoring and detection engineering
  • Cloud security architecture

📫 Connect With Me

GitHub: https://github.com/wcallender

Pinned Loading

  1. aws-ec2-linux-hardening-lab aws-ec2-linux-hardening-lab Public

    AWS EC2 Ubuntu hardening lab with SSH security, UFW firewall configuration, and Fail2Ban intrusion prevention.

    1

  2. bash-tools-for-techs-v1 bash-tools-for-techs-v1 Public

    Field-tested scripts for AT&T Premises Techs focused on troubleshooting, security, and compliance.

    Shell