curiosity tech

Day 7 – Azure Networking Basics: VNets, NSGs & Load Balancers

Networking is the backbone of cloud architecture. For Azure Cloud Engineers, mastering Virtual Networks (VNets), Network Security Groups (NSGs), and Load Balancers is essential to ensure secure, scalable, and highly available applications.

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A promotional graphic for a "Zero to Hero in 26 Days" course on Cyber Security Engineer, comparing Cyber Security Engineer vs Ethical Hacker. The left side includes the Curiosity Tech logo and text, while the right side features a silhouette with digital locks and security icons around a head.

Day 2 – Cyber Security Engineer vs Ethical Hacker: Key Differences Explained

The confusion is natural. Both roles deal with fighting cyber threats. Both roles carry prestige in the IT ecosystem. Yet, in practice, they play very different parts in protecting organizations. Over my 20 years of experience, I’ve worked both sides of the fence—designing security architectures as an engineer and performing penetration testing in the role of an ethical hacker. What I have learned is simple:

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Infographic for Day 1 of a "Zero to Hero in 26 Days" cybersecurity engineer guide, titled "What is Cyber Security? A Beginner's Guide for 2025".

Day 1 – What is Cyber Security? A Beginner’s Guide for 2025

When I first stepped into cyber security nearly two decades ago, the internet was a very different place. Back then, organizations were concerned about basic viruses and unauthorized access to their dial-up connections. Fast forward to 2025, cyber security has evolved into a massive global priority—shaping businesses, governments, financial systems, and even our daily lives. From smartphones to smart refrigerators, everything is connected. While this interconnected digital fabric is efficient, it has also created doors for cyber attackers to exploit.

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Day 1 training banner for Full Stack Developer using MERN, featuring MongoDB, Express.js, React, and Node.js logos with 'Zero to Hero in 26 Days' text.

Day 1 – What is MERN Stack Development? A Beginner’s Introduction

Every great journey starts with a single step, and in the world of web development, that step often begins with choosing the right technology stack. Over the years, many stacks have come and gone—LAMP, MEAN, JAMstack—but one has stood tall in modern full-stack development: MERN Stack.

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AI

What is Evolutionary Computing?

Evolutionary Computing (EC) is a subfield of Artificial Intelligence (AI) and computational intelligence that mimics natural evolutionary processes to solve optimization and search problems. Inspired by biological evolution, it leverages concepts like selection, mutation, and recombination (crossover) to evolve solutions to complex problems over successive generations. Key Concepts of Evolutionary Computing Main Techniques in Evolutionary

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