What is the OSI Model? A Simple, Clear Breakdown If you’re just starting to learn about networks, you’ll hear about something called the OSI Model — and trust me, it’s one of those things you have to understand. It might sound complicated at first, but once you break it down, it’s actually pretty straightforward. Let […]
Understanding Port Numbers: In penetration testing, one of the first things we scan for is open ports, and for good reason. Ports tell us what’s exposed, what might be vulnerable, and where to focus our attacks. In this post, we’ll cover everything you need to know about port numbers from a pentester’s point of view:What
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What Is HTTP and How It Works If you’re trying to understand how websites actually work, HTTP is a great place to start. Every time you visit a website, click a button, log in, or submit a form, you’re using HTTP. Whether you realize it or not. As a pentester, you must understand HTTP. It’s
Understanding IP Addresses, MAC Addresses, TCP/IP, UDP & ICMP If you’re getting into networking or cybersecurity, you need to understand how devices communicate across networks. These are the building blocks that everything sits on top of. In this post, I’m going to break down the core concepts you’ll hear about constantly: MAC addresses, IP addresses,
IP Addresses, MAC Addresses, TCP/IP, UDP, ICMP Read More »
Networks To truly understand what a network is, let’s take a quick trip back to where it all began. In 1969, a groundbreaking idea emerged:What if computers could talk to each other? That idea gave birth to ARPANET (Advanced Research Projects Agency Network). It was the first successful attempt to allow two computers to transfer
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