Stefan Frei

Dr. Stefan Frei serves as a Lecturer in the Department of Computer Science at ETH Zurich, where he teaches Cyber Security courses while concurrently working for SDX Security. With over 20 years of professional experience spanning offensive and defensive cybersecurity operations, he operates at the critical intersection of technology, society, and economic systems.

His research expertise encompasses comprehensive cybersecurity domains including:

• Penetration Testing methodologies and real-world attack simulations
• Enterprise Security Architecture design and implementation
• Advanced Threat Modelling techniques for emerging risks
• Security Research focused on predictive threat analysis

Professional trajectory includes significant roles at major industry organizations:

• Accenture Security
• Swisscom
• NSS Labs
• Secunia
• ISS X-Force

Prestigious recognition includes:

• ETH medal for excellent research (2009)

Dr. Frei maintains an active industry presence while contributing academic expertise in explaining and forecasting evolving cyber threats and countermeasures.