Hi, I'm Thorsten Dahm - Senior Cyber Security Architect at Deutsche Bahn
I am passionate about building secure foundations for the digital and physical worlds. I thrive when tackling complex infrastructure challenges that require both strategic depth and precise technical execution.
At a glance
Curated signals on strengths, focus areas, and how they can help.
Served as a global tech lead for network security at Google for sixteen years.
Currently leads network security governance and Zero Trust strategy for critical railway infrastructure.
Offers expert guidance on protocol standardization, large-scale security architecture, and IT-OT integration.
🚀 Career trajectory
Foundation Phase
Built core competencies in network engineering and system resilience during early tenure.
✦ Network Engineering
✦ System Design
Global Scaling Phase
Spent over a decade at Google leading security for massive, interconnected global infrastructure.
✦ Global Infrastructure
✦ Incident Response
Governance & Standardization
Currently shaping security standards and OT/IT integration at a national infrastructure scale.
✦ Governance
✦ Zero Trust
✦ IETF Standards
💪🏻 Superpowers
Protocol Architect
Driving global connectivity standards
✦ Authored RFC 8907 and 9887 for TACACS+.
✦ Contribute directly to IETF secure protocol standards.
✦ Define technical foundations for future IoT networks.
Infrastructure Strategist
Hardening mission-critical systems
✦ Bridging IT and OT security for critical rail infrastructure.
✦ Designing group-wide Zero Trust architectures.
✦ Managing security governance for large-scale enterprise operations.
Incident Resilience Lead
Navigating complex global crisis response
✦ Managed incident response for high-stakes global events.
✦ Led security integrations for major corporate acquisitions.
✦ Orchestrated policy design for global data center networks.
I'm excited about
✦ Exploring advancements in industrial security and IoT protocols.
✦ Engaging with communities focused on long-term infrastructure integrity.
✦ Discovering new strategic alliances in critical systems engineering.
I can help with
✦ Providing expert guidance on Zero Trust implementation for industrial sectors.
✦ Mentoring engineers on participating in IETF standards development.
✦ Advising on security governance frameworks for complex, multi-site environments.
I would love your help on
✦ Connecting with peers managing security for national critical infrastructure.
✦ Finding forums for debating the future of global network protocols.
✦ Gaining insights into emerging regional trends for IoT device security.