Blog
Technical notes and articles on networking, security, and web development.
Where Does a Website Come From? From Domain Registration to Your Browser
What actually happens in the split second after you type a URL and hit Enter? The full chain from domain and DNS to hosting, backend/frontend, and final rendering in your browser.
6 min readPython for Network Engineers: Why and Where to Start
Wish you could run one repetitive task across 50 switches at once? An introduction to Python and Netmiko — not a new career path, but a tool for automating the work you're already doing.
6 min readHow AI Is Transforming Programming: An Introduction to AI Coding Assistants
GitHub Copilot, ChatGPT, Claude — what do these tools actually do, and where is the line between using them intelligently and relying on them dangerously?
6 min readAI Security: What Is Prompt Injection, and Why Does It Matter?
As AI gains access to real emails, browsers, and files, a brand-new attack surface emerges that traditional security was never designed for. A conceptual introduction to prompt injection and how to defend against it.
6 min readHow Does AI Actually Work? A Plain-Language Look at Large Language Models
Under the seemingly magical surface of AI chatbots, what's actually happening? A math-free look at tokens, model training, and why they sometimes state wrong things with complete confidence.
6 min readStep-by-Step: OSINT Reconnaissance on a Domain with theHarvester
Every professional penetration test starts with reconnaissance, not scanning. A walkthrough of automatically gathering emails, subdomains, and public information about an organization with theHarvester.
6 min readStep-by-Step: Automated SQL Injection Testing with sqlmap
How do you automatically find and confirm one of the oldest, and still most dangerous, web vulnerabilities? A walkthrough of sqlmap against an authorized lab target.
6 min readStep-by-Step: Intercepting and Analyzing Web Traffic with Burp Suite
How does the world's most popular web application penetration-testing tool actually work? An introduction to the proxy, Repeater, and intercepting your first request in an authorized lab environment.
7 min readUnderstanding the OWASP Top 10: The Ten Most Common Web Vulnerabilities
Before testing a web application, you need to know exactly what you're looking for. A practical walkthrough of the ten vulnerability categories OWASP identifies as the most critical threats to web applications.
6 min read