eMudhra's certificate keys got compromised in October 2026 - and one of them was literally the number 4. I take what I learned writing about TLS and Diffie-Hellman and use it to reproduce the weak key myself, step by step.
How I built Server Monitor - a self-hosted tool that watches a group of Linux servers over plain SSH, with nothing installed on them and no dependency on outside services - with AI-assisted development.
How I built The Board - a site that tracks fixed deposit rates across every bank and finance company in Sri Lanka, backed by a scraping pipeline, a FastAPI read API, and an admin panel for managing it all - with AI-assisted development.
My Yantop dashcam (sold as the Car DVR/Dash Camera Yantop) only lets you view the live feed through its own app. I used nmap, PCAPdroid and Wireshark to figure out what that app was actually doing on the network, and turned it into a script that opens the same feed straight in VLC - no app, no flashing, no root.