CTF Participation

Competitions, blue team defense, and hands-on cybersecurity challenges.

Tampa, FL | ryanle.co2023@gmail.com | 708-560-5352 | LinkedIn

Capture the Flag Participation

Department of Energy's Cyberforce Competition Chicago, IL
Team 15 November 2025
  • Collaborated within a Blue Team to defend critical infrastructure against live Red Team adversaries.
  • Hardened and monitored a complex ICS environment, including a PLC, HMI, databases, and webservers, implementing real-time security controls to mitigate high-pressure exploits while ensuring availability.
  • Solved complex Capture The Flag (CTF) challenges to gain points while simultaneously identifying and neutralizing active unauthorized access attempts.
National Cyber League (NCL) Remote
Solo and Team Bi-annual
  • Competed in individual and team-based NCL competitions, tackling challenges across multiple cybersecurity domains in both practice and competitive seasons. Scoring 1500pts in the individual game.
  • Solved challenges in OSINT, cryptography, log analysis, and password cracking.
  • Performed scanning, enumeration, and exploitation of vulnerable systems.
  • Conducted network traffic analysis and digital forensics investigations.
  • Identified and exploited web application security vulnerabilities.
Gasparilla CTF The University of Tampa
Team 7 February 2026
  • Partnered with Root@UT board members to navigate a multi-disciplinary CTF, securing 3rd place through rapid problem-solving and cross-functional collaboration.
  • Executed Web Application penetration testing techniques to identify vulnerabilities and leveraged OSINT methodologies to gather actionable intelligence from public data sources.
  • Performed deep-dive Digital Forensics to reconstruct attack timelines and conducted Reverse Engineering of compiled binaries to bypass security checks and extract hidden flags.
  • Managed real-time communication and task delegation among board members to efficiently tackle high-point challenges under strict time constraints.
NCAE Cyber Games (Regional) Remote
Team 7 March 2026
  • Awarded "Most Improved Teammate" for rapid technical growth and effective contribution to team defensive strategies under active Red Team engagement.
  • Hardened and maintained a Flask-based web application on Ubuntu 24.04, managing systemd units to ensure uptime for scoring services during live attacks.
  • Architected secure traffic flow by deploying SSL certificates via Certbot through the competition's Root CA and configuring NAT/Port Forwarding (Port 443) on the team router.
  • Collaborated on database security and persistence, working with teammates to verify PostgreSQL connectivity for the "torch_bearer" user, ensuring seamless read/write operations for the web back-end.
  • Administered internal network addressing for the 192.168.1.0/24 LAN, manually configuring static IP assignments for Kali machines and critical servers to ensure stable cross-team communication and service discovery.