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Decoded Security is a free newsletter that explains cybersecurity in plain English. Here is a taste. Read a few, then decide for yourself.

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AI · Careers

Can AI Pass the CISSP Exam?

I tried to make three AI models fail the CISSP. All three scored 100 percent, every time. Here is why that should change how you study, not scare you.

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Careers

Entry-Level Cybersecurity Jobs Don't Exist

The uncomfortable truth about breaking in, and exactly what to do instead of chasing roles that were never really entry-level.

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Fundamentals

This Is How I Explain DNS To Beginners

If you cannot explain what happens when you type a web address, you do not understand the internet yet. Here is DNS in plain English.

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AI · Dev

Top 3 Security Issues With Vibe Coding

AI writes code that works, not code that is safe. The three flaws in almost every AI-built app, and how to catch them before you ship.

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Skills

Top 5 Linux Commands for an Entry-Level Role

You do not need 1,000 Linux commands. You need the 5 that actually show up on the job. Start with these.

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Certification

How I Passed the CISSP in 3 Months

No bootcamp, no years of prep. The exact study approach I used to pass one of the hardest exams in security.

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What you get

Every week, one thing that actually matters

Plain-English breakdowns of core concepts. Certification and interview guidance from someone who runs the interviews. Real-world insight, not textbook theory. And no noise.

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