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AI Can Write the Code. You Still Have to Guide the App.

Feature lists are not specs. How I think about steering Cursor, Claude Code, or Codex so you get an app you can keep, not a demo that dies on user two.
kangwijen
Recent posts
Security, cloud, CTF, and finance writeups.

Building floci-ctf: A Hardened AWS Emulator for Cloud Security CTFs
I wanted an AWS emulator that behaved more like the real cloud. Here's why I forked Floci and the security improvements that became floci-ctf.

Breaking Bots: Investigating SQL Injection via AWS Lex Chatbots
I set out to test how secure chatbot integrations really are by probing an AWS Lex bot for SQL injection weaknesses.

CyberWarFare Labs MCRTA & MCBTA Review: Are These $7.50 Cloud Security Certifications Worth It?
I tried CyberWarFare Labs' MCRTA and MCBTA cloud security certifications for $7.50 each. I review their quality, difficulty, and value at that price.

IDX IPOs: Hype, Hope, and Hidden Hazards
Unpacking the attraction, the risks, and the common mistakes that turn IDX IPOs into a battlefield.

The SecOps Group CCSP-AWS Certification Review: My Experience and What You Need to Know
I recently passed The SecOps Group CCSP-AWS certification. Here's what you need to know and my review of it.

Forecasting Index Returns with Monte Carlo Simulation and Geometric Brownian Motion in Python
I used Python to predict index prices over the next decade. Here's how you can predict the future too.