$ whoami

Derek Wei

1st of 1,692 teams at the National Cyber League.
1st of 62 at RowdyHacks XII, all 28 challenges solved.

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 · AWS Certified AI Practitioner

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

Selected work

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

RowdyHacks XII · 1st place

1st of 62 teams, all 28 challenges solved, 5,825 points, Team Difference (2026)

A full board clear across eight categories: 28 writeups, from binary exploitation and an Erlang/OTP SSH pre-auth RCE to Modbus/ICS register analysis and a five-stage 600-point forensics chain.

A team result. Derek was the team's top scorer, 3,575 of 5,825 points.

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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

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UIUCTF 2026 · Web exploitation

Nabi AI: SSRF via a client-controllable vault address

A deprecated, client-controllable baoAddr field in a Next.js Server Action turned an AI challenge into a conventional SSRF and secrets-management failure.

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Supporting work

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Relevant experience

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Verified credentials

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Current direction

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Contact and resume

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