Cyber Security

Day 15 – Case Study: How Companies Prevented Cyber Attacks

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Over the past two decades, one of my greatest privileges as a cybersecurity consultant has been helping organizations turn near-disasters into success stories. Cyber threats are universal—impacting hospitals, banks, IT firms, and even local startups. But what separates those who fall from those who survive is a combination of preparation, timely response, and layered strategy. […]

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Day 11 – Ethical Hacking Tools for Beginners: Kali Linux, Nmap, Wireshark

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When I first picked up ethical hacking nearly 18 years ago, the biggest challenge wasn’t understanding vulnerabilities—it was learning the tools professionals use to discover and analyze them. In modern cybersecurity, tools are the weapons and microscopes of the trade. Without them, ethical hackers see only the surface of the digital world. With them, hidden

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Day 7 – Vulnerability Assessment & Penetration Testing Basics

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In my 20 years as a cyber security consultant, I’ve learned this truth: what isn’t tested isn’t secure. Organizations often believe their defenses are solid after installing a firewall or updating policies. But until those defenses are actively tested, no one really knows how strong they are. This is where Vulnerability Assessment (VA) and Penetration

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Day 3 – Essential Skills Every Cyber Security Engineer Must Have

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When I began my cyber security journey nearly twenty years ago, skills were learned in fragments—networking here, operating system basics there. By 2025, the role of a Cyber Security Engineer demands a solid, multi-disciplinary skill set. It’s not enough to understand just firewalls or passwords—you must be fluent across technology, business, and human aspects of

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Day 4 – Networking Basics for Cyber Security Engineers

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When people ask me: “What’s the heart of cyber security?” my answer has always been the same—Networking. Without an in-depth understanding of networks, no cyber security engineer can defend systems effectively. Every firewall rule, intrusion detection alert, VPN tunnel, or attack vector is tied to networks. At CuriosityTech.in, Nagpur, I often see students rushing into

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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

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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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