shipped Jul 9, 2026
derekwei.xyz (this site)
This site: a fast, static Astro 5 build with a strict CSP, no cookies or trackers, and no third-party requests, deployed on Cloudflare Pages.
~/projects
Projects
Practical security tooling and infrastructure I build to learn by doing. Each entry documents what it is, how it's built, and where it actually stands: shipped, in progress, or planned.
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CPTS study notes pipeline
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
Jul 10, 2026
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Browser-based cybersecurity tool hub
A set of client-side security utilities for encoding, hashing, password entropy, IOC parsing, subnetting, and header checks. Runs entirely in the browser.
shipped
Jul 8, 2026
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Secure travel network setup
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
Jul 8, 2026
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CTF writeup archive
A structured archive of Capture the Flag methodology: sanitized writeups covering enumeration, failed attempts, tools used, and defensive takeaways.
in progress
Jul 6, 2026
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Offensive security home lab
An authorized home lab for penetration testing practice, CTF challenges, and GPU-assisted password cracking, built on a local virtualization workstation.
in progress
Jul 5, 2026