Mohit Chauhan

Lead OT Cybersecurity Strategy, Governance, Policies & Standards aligned with IEC 62443, NIST 800-82, NIS2/NISD & ISO 27001, managing OT risk registers across industrial facilities and critical OT infrastructures. Design and review secure OT/ICS Security Architectures using the Purdue Model, implementing IT/OT segmentation, secure dataflows, remote access, industrial firewalls & secure OT integrat

Architected secure-by-design cybersecurity framework for GE Healthcare's CYGNUS project, embedding patient data protection, privacy-by-design with PHI data protection and secure SDLC practices. Directed system-level security requirements for 18+ NPI programs, translating DFD-based threat models into enforceable technical controls.

Architected end-to-end cybersecurity solutions for OT/ICS & AMI (Critical Infrastructure), SOC, datacentre, cloud, and enterprise networks, aligned with IEC 62443, Zero Trust, PCI DSS, NIST, ISO 27001, CERT-In, and NCIIPC frameworks. Led enterprise vulnerability management, cyber incident response, infrastructure hardening, and security governance, reducing critical risk exposure by 70%.

Architected OT/ICS security frameworks for energy sector projects, aligned with IEC 62443 and chaired CAB sessions. Led SOC and VAPT teams, managing threat detection, hunting, and real-time monitoring across SIEM, IDS/IPS, firewalls, and endpoints, reducing MTTD by 30%, MTTR by 40%, and achieving 99%+ SLA compliance.

Led enterprise security architecture and maintained digital banking risk register covering internet/mobile banking, APIs, and cloud platforms. Advised CISO, Risk Head, and CRO on technology risk posture, remediation priorities, and control maturity roadmaps.

Led enterprise SOC transformation, implementing threat detection, incident response, escalation frameworks, and threat management to strengthen cyber resilience.

Network security engineering role at HP in Malaysia.

Senior security analyst role at Net Participate LLP.

Network and security engineering role at Albion Infotel Ltd.

Completed MCA in Computers from UPTU Lucknow, India in 2009.

Completed B.Sc. in Mathematics from Rohilkhand University, India in 2005.