Cybersecurity

Explaining the TCP/IP Packet Life Cycle A TCP/IP packet does not simply move from one computer to another. It is created, wrapped, addressed, transmitted, routed, verified, acknowledged, and finally reassembled. Understanding this life cycle is essential for anyone working in networking, cloud infrastructure, cybersecurity, or modern software systems. Table of Contents Understanding the TCP/IP Model […]

Network Security: Firewalls, IDS/IPS, and Zero Trust Explained Network security has shifted from “keep attackers out” to “limit trust everywhere.” Firewalls reduce exposure, IDS/IPS detects and blocks hostile behavior, and Zero Trust changes how access is granted so a single compromise does not become a full-network incident. Our guide explains what each does, where it

Intro to Ethical Hacking: Tools, Techniques & Ethics Ethical hacking is the disciplined practice of identifying, testing, and fixing security vulnerabilities before malicious attackers can exploit them. We explain what ethical hacking is, why it matters, the tools and techniques professionals use, and the ethical boundaries that define responsible security work. Table of Contents What

What Is Website Hardening? A Practical Guide to Securing Modern Websites Website hardening is the systematic process of reducing a website’s attack surface by eliminating vulnerabilities, tightening configurations, and enforcing strict security controls across the application, server, and network layers. The goal is simple: make the website significantly harder to compromise, even when attackers are

Top Emerging Cyber Threats of 2026 and How to Defend Against Them Cyber risk in 2026 is being reshaped by two forces moving at the same time: attackers are industrializing social engineering with AI, and defenders are racing to reduce whole classes of technical weakness (identity sprawl, insecure software supply chains, and memory-unsafe code). The

IoT Security, imagine a world where your refrigerator can order milk for you when you run out, your thermostat learns your daily routine and sets the temperature to your liking, and your car starts itself on a cold winter morning. This isn’t a sci-fi movie—welcome to the world of the Internet of Things (IoT). But

NMap, short for “Network Mapper,” is a powerful and versatile open-source tool used by network administrators, security professionals, and hackers alike. Its primary purpose is to discover devices running on a network and find open ports along with various attributes of the network. As the digital landscape continues to evolve, understanding tools like NMap becomes

The Controller Area Network (CAN) bus is a robust vehicle communication system that has been in use for over three decades. It’s a fundamental component in modern vehicles, facilitating communication between various electronic control units (ECUs). But as with any technology, especially one that’s deeply integrated into systems as complex as modern vehicles, there are

The Controller Area Network, or CAN bus, is a robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other’s applications without a host computer. It is a message-based protocol, designed originally for multiplex electrical wiring within automobiles to save on copper, but is also used in many other contexts. In

In the ever-evolving landscape of technology, the need for robust security measures has never been more paramount. As cyber threats become increasingly sophisticated, the demand for professionals equipped with the knowledge and skills to combat these threats grows exponentially. Enter the course: SEC275: Foundations: Computers, Technology, & Security. Ranked as the third top trending course