Klaus Haller
Cloud & Cybersecurity Leader – Senior IT Security Architect – Author & Speaker
Klaus is a cybersecurity architect with over 20 years of experience building large-scale enterprise systems and deep expertise in the Swiss financial sector. He currently shapes security architecture for the Swiss branch of a global insurance company, protecting complex deployments on Google Cloud Platform and Microsoft Azure, and covering the full spectrum of cybersecurity challenges, from encryption with a focus on data-at-rest and post-quantum readiness to SOC and security tools and workplace security.
Klaus has led digital transformations, architected full-scale data migrations for medium-sized banks, and guided cross-functional teams, vendors, and stakeholders to deliver complex projects. His experience spans solution architecture, business analysis, process reengineering, and database development, making him a trusted partner for delivering critical enterprise solutions and aligning technology with business strategy.
Risk, compliance, and quality are always front of mind. Klaus has hands-on expertise in IT risk management, IT compliance, and ISO/IEC 27001. He has built testing teams and advised financial institutions on test strategy, data loss prevention, and test data management.
Author of two books, “Managing AI in an Enterprise” and now “The Definitive Guide to Cloud Security Architecture”, Klaus is a sought-after speaker and freelance writer on IT strategy and cloud security, sharing insights on cloud, AI, and enterprise architecture.

Episode 320
An Interview with Klaus Haller