CyberSecurity blog is an independent publication by Angelos Varthalitis — Chief Information Security Officer with over 20 years of experience across SaaS, energy, and transportation sectors in Europe.
I write about information security strategy, NIS2 compliance, AI governance, and the real challenges CISOs face when navigating boardrooms, regulations, and an ever-evolving threat landscape. No vendor fluff, no recycled headlines — just practical insight from someone doing the work.
I hold certifications including CISSM, NIS2 Lead Implementer, and Certified AI Security Officer, and I am currently completing a DBA in Artificial Intelligence. I speak at cybersecurity conferences and consult on ISO 42001 AI Management System certification, ISO 27001/17/18 and many others
If you are a security professional, executive, or simply someone who wants to understand what good cybersecurity leadership looks like, this publication is for you.

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