Cybersecurity Leadership

Demystifying Cybersecurity

Let’s be honest: cybersecurity can feel like a sea of jargon and reactive fire-fighting. Once you move past the basics, the signal-to-noise ratio gets messy. My goal for this post isn’t to drown you in...

Instagram Account Hacked? A Cybersecurity Expert’s Recovery & Prevention Guide (2026)

Your Instagram account just got hacked. I know that feeling — it’s a punch to the gut, especially if your account is tied to your professional brand or business. But before you panic, know this: most hacked Instagram accounts can be recovered if you act fast and follow the right steps. A...

Nessus Essentials: Complete Guide for Security Professionals (2026)

If you’re in cybersecurity and you haven’t used Nessus, you’re in the minority. Tenable’s vulnerability scanner has been a staple in our industry for over two decades, and their free tier — Nessus Essentials — remains one of the best ways to get hands-on with professional vulnerability scanning without spen...

Best Cybersecurity Books 2026: A CISO’s Picks (With Free Downloads)

Every year, dozens of “best cybersecurity books” lists get published by people who clearly haven’t read half the titles they recommend. They scrape Amazon bestseller lists, copy each other’s picks, and call it a day. I’m not doing that here.

I’ve written 26 cybersecurity books. I’ve been a practic...

CISO Insight — Dr. Erdal Ozkaya

I have spent years working with organisations that believed their existing IT security programme covered their operational technology environments. It did not. In...