My perspective on security, software engineering, and career.

This blog is where I share my thoughts on security, software engineering, and navigating a career in tech. Some of it will be deep technical dives, some will be lessons from experience, and some will be the kind of things I wish someone had told me earlier.

What you'll find on this blog:

  • Career advice that’s actually useful
  • Unfiltered thoughts on tech & security
  • Security insights
  • Breakdowns of attacks and exploits
  • and more...
Marius Horatau
Marius Horatau
Marius Horatau

Blog posts

Your Are the Bottleneck Now
Posted on March 14, 2026

Your Are the Bottleneck Now

AI can now generate code, fixes, and explanations faster than most developers can properly evaluate them. That sounds like a productivity breakthrough. It may also be the fastest way to become a worse engineer without noticing.

The Illusion of Building
Posted on March 1, 2026

The Illusion of Building

AI makes it dramatically cheaper to produce software that appears to work. But 'building an app' and 'engineering a system' are two different activities that people keep confusing, and the gap between them is where most of the actual work lives.

Security Is Not a Code Problem
Posted on February 22, 2026

Security Is Not a Code Problem

Security is having a moment: new tools can read code, find bugs, and even suggest fixes. Some people took that to mean cybersecurity is basically over. This is my take from the inside: what’s actually changing, what isn’t, and why security was never just a code problem.

How to start your offensive security career
Posted on March 9, 2025

How to start your offensive security career

Is hacking like in the movies? How do I start? What do I need to know? What skills should I have? These are...

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