
From air gaps to zero-trust: Building cyber-physical resilience in the modern grid
From Energy Transition Talks by CGI in Energy & Utilities
December 1, 2025 · 16 min · Season 4 · Episode 5
About this episode
The episode discusses the importance of cyber-physical resilience and security in modern energy grids with insights from industry experts.
Send us Fan Mail Zero-trust, device identity and cyber-physical resilience are now essential for securing modern energy grids. In this episode, CGI’s Andrea Grad speaks with PHYSEC CEO Prof. Dr. Christian Zenger about protecting OT, IoT, smart meters, substations and distributed energy resources (DERs) at scale. They also examine how regulations such as NIS2, the Cyber Resilience Act and the CER Directive are shaping global approaches to grid security, compliance and modernization. Visi...
People in this episode
Host: Andrea Grad
Guest: Prof. Dr. Christian Zenger
Topics covered
- cybersecurity
- energy grid
- OT security
- IoT
- smart meters
- regulations
- grid security
Keywords
- cyber-physical resilience
- energy grids
- OT
- IoT
- smart meters
- NIS2
- Cyber Resilience Act
- grid security
Mentioned in this episode
Organizations: PHYSEC, CGI, NIS2, Cyber Resilience Act, CER Directive
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