Most security programs assume foundational knowledge. Almost none teach it.

In a world where a single security failure can expose millions of records, compromise critical infrastructure, and unravel years of organizational trust — the most dangerous gap isn't a technical one. It's conceptual.

Information Security Fundamentals closes that gap.

Written by Dr. Nader Iranpour — a cybersecurity consultant and educator with over 30 years of experience across banking, energy, and industrial sectors — this book doesn't hand you a checklist. It builds the way you think about security, from the ground up.

Before frameworks. Before compliance models. Before controls.

You'll master the CIA Triad, the sixteen governing principles behind every security decision, and a complete map of all twenty-five security domains. You'll explore nine formal security models, six framework categories, and authoritative standards from NIST and ISO/IEC alongside real-world best practices from Cisco, Microsoft, and Oracle — organized into a single, coherent reference you'll return to again and again.

Every chapter culminates in applied critical-thinking scenarios following NovaPay Financial Services, so the concepts don't stay abstract — they translate into the kind of judgment that no certification exam alone can give you.

This book is for you if you are:

What separates a practitioner who is genuinely competent from one who is merely credentialed? The ability to reason about security problems they've never seen before, in contexts no checklist could anticipate.

That capacity starts here.

Volume 1 of the Mastering Information Security Series — the conceptual foundation for all six volumes.

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