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Derek Wei

B.S. Cybersecurity student in the Honors College at The University of Texas at San Antonio, focused on red-team fundamentals, penetration testing labs, Capture the Flag methodology, and practical security tooling. Preparing for the Certified Penetration Testing Specialist (CPTS).

5x CompTIA certified (CySA+, PenTest+, Security+, Network+, ITF+) · AWS Certified AI Practitioner · graduate of the NEISD iCSI Cybersecurity Program, Class of 2026

U.S. citizen eligible to obtain a Secret security clearance.

Selected work

Real work, each with its own writeup or project page.

Arcane Odyssey character standing on a high narrow rock pillar with several distant islands visible through severe weather.
BroncoCTF 2026 challenge screenshot: the foreground pillar and multi-island sightline placed the character on Ierochos.

BroncoCTF 2026 · OSINT

AO-SINT: evidence-first game geolocation

Used topography, architecture, map geometry, and sightline reconstruction to identify four Arcane Odyssey locations from four screenshots.

BroncoCTF 2026: 8th of 753 teams with 3,777 points, Team idktheflag

Read the writeup

Supporting work

  • A Claude Code, Claude Haiku, and Obsidian workflow that turns pasted CPTS study material into structured notes, checklists, and review artifacts, with human review.

    in progress automation obsidian claude workflow
  • A GL.iNet GL-SFT1200 (Opal) travel router configured as a VPN gateway for safer, more consistent routing across multiple devices on public Wi-Fi.

    in progress networking vpn travel hardening

All projects →

Relevant experience

Full resume →

Verified credentials

All verified credentials →

Current direction

More about Derek →

Contact and resume

Open to cybersecurity internships, CTF collaboration, and security projects.