Mr. Sivakumar Sundaramoorthy CISSP

Siva Sundaramoorthy is a Field CISO and Cloud Solutions Security Architect at Microsoft with more than 25 years of experience advancing security engineering, risk management, and cross-enterprise security architecture. He specializes in building engineered guardrails, leading multi‑stakeholder security initiatives, and securing large-scale financial, cloud, identity, data, AI and distributed systems. Siva is recognized for transforming ambiguous security challenges into clear, actionable strategies for engineering and executive teams, balancing strong risk reduction with product velocity. His expertise spans threat modeling, risk assessment, access control, encryption, detection engineering, Zero Trust and secure AI and agent governance.