How Modern Threats Are Redefining the Rules of Defense with Paul Chichester

How Modern Threats Are Redefining the Rules of Defense with Paul Chichester

From Cyber Leaders by SANS Institute

November 7, 2025 · 44 min · Season 3 · Episode 20

About this episode

The episode discusses the evolution of cyber threats and the importance of collaboration in cybersecurity with expert Paul Chichester.

In this episode, Ciaran and James are joined by Paul Chichester CMG, MBE, Director of Operations at the UK’s National Cyber Security Centre, to explore how cyber threats have evolved over the decades. Drawing on more than 30 years experience at GCHQ, Paul reflects on the progression, from early digital espionage to major nation-state attacks and the rise of ransomware, and explains why collaboration and partnership remain essential to building a safer online world. Contact: Have questions or ...

People in this episode

Hosts: Ciaran, James

Guest: Paul Chichester

Topics covered

  • cyber threats
  • digital espionage
  • nation-state attacks
  • ransomware
  • collaboration
  • cybersecurity

Keywords

  • cybersecurity
  • threat evolution
  • ransomware
  • nation-state attacks
  • digital espionage
  • collaboration

Mentioned in this episode

Organizations: UK’s National Cyber Security Centre, GCHQ

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