EhChris – IT & Cybersecurity Portfolio
IT & CYBERSECURITY PORTFOLIO
I'm Christopher Ferrari. I practice IT and Cybersecurity. This site holds my blog and a few projects I've built.
Featured Projects
Scout - CLI Recon Tool
May 27, 2025 • A lightweight Linux-native CLI recon tool for passive and active reconnaissance on domains or IPs.
freq - Shell History Analyzer
May 13, 2025 • A minimal CLI tool to analyze your shell command usage patterns. Gives insights into your most-used commands and usage trends.
Latest Blog Posts
Replacing my Church's $4,000 Bell Box with a $50 Pi
November 20, 2025 • How we reverse-engineered a dead 2002-era bell controller and built a modern replacement using a Raspberry Pi, Python, and React.
picoCTF: SSTI2 — Writeup
June 5, 2025 • I made a cool website where you can announce whatever you want! I read about input sanitization, so now I remove any kind of characters that could be a problem :)
Latest Projects
Moody Bell - Church Bell System
November 20, 2025 • Automated bell control system for Raspberry Pi 4B with touchscreen interface, scheduled ringing, and mute period management.
Udemy Practice Test Exporter
November 19, 2025 • A Chrome extension that exports Udemy practice tests as CSV or JSON. Designed for instructors to extract test data from their practice tests in instructor preview mode.