Big 5G Event is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 3099067.


Sunil Lingayat
Chief of Cyber Strategy and Technology at T-Mobile


Dr. Sunil Lingayat leads the cybersecurity strategy, architecture, and cybersecurity technology functions across T-Mobile and is responsible for positioning T-Mobile and its products and services into an effective cyber resilience posture. Dr. Lingayat is currently in the midst of transforming T-Mobile cybersecurity from Cyber 1.0 to Cyber 2.0: transforming from reactive to proactive, from risk findings based approach to adversary driven, from incident driven to active defense, and from perimeter based controls to a de-perimeterized security architecture leading to a cyber resilient operational state.  He and his team is responsible for translating Cyber 2.0 strategies into actionable programs aimed at delivering capability outcomes.  Recent accomplishments include - champion and launch T-Mobile’s overall Cyber 2.0 strategy and roadmap; define and launch enterprise wide ICAM (IAM) architecture alignment and transformation program; deploy active defense grid; build cyber range capability and exercises; champion and launch enterprise wide de-perimeterized Zero-trust transformation; DevSecOps, web perimeter, and API security reference architectures; Champion and define 5G security strategy, architecture and roadmap, and launch 5G Security Program.

Prior to joining T-Mobile Dr. Lingayat worked in roles ranging from Chief Engineer, CTO, VP, and Strategy/Marketing including P&L responsibility.  Dr. Lingayat has advised and consulted with C-level executives and Agency Heads in over 20+ countries.  He focuses on Innovation, challenging the status quo, and “doing the right things right the first time.”  Dr. Lingayat’s current interests and focus areas are in Cyber Resilience, Trusted cloud computing, ITSM, and Trusted Mobility.  He earned his Ph.D. in Engineering from the Rensselaer University and a BS from the National Institute of Technology, India.

Sunil Lingayat's Network

Agenda Sessions

  • Fireside Chat: Cybersecurity to Protect New Virtualized Networks