Proofpoint has announced the appointment of Tom Corn, effective immediately, as Executive Vice President and General Manager of its Threat Protection division. Corn’s arrival at the company will bring leadership experience in cloud security, infrastructure, and platform. In his role, he will be responsible for driving a threat protection strategy, product innovation, and the commercialization of Proofpoint.
Before joining Proofpoint, Corn co-founded a startup focused on agent-based AI application security. Previously, he served as a product director at Ontinue, where he helped shape the company’s AI-driven approach to Managed Extended Detection and Response (MXDR). He also held senior leadership positions at VMware and RSA, where he led significant initiatives in developing cloud security, endpoint, network, identity, and data products, contributing to industry-leading advancements in cloud workload protection, micro-segmentation, and cyber risk analytics.
“We are thrilled to welcome Tom to the Proofpoint executive team,” said Sumit Dhawan, CEO of Proofpoint. “Tom’s extensive experience in cloud security and infrastructure, combined with his innovative vision for integrated platforms and the evolving role of generative AI in security, will be crucial in continuing to deliver our customers the most comprehensive and effective threat protection solutions. His leadership comes at a pivotal moment in our mission to define the future of people-centered security, as organizations seek smarter and more scalable ways to defend against today’s most advanced threats.”
“Proofpoint is uniquely positioned to lead people-centered security, and I am excited to be part of a company committed to innovation, customer impact, and a platform-focused approach,” said Tom Corn. “I look forward to working with this team to continue enhancing our market-leading threat protection capabilities and delivering meaningful security outcomes for our customers.”
Darren Lee, who previously led Proofpoint’s Threat Protection group, will assume the new role of Executive Vice President of Strategic Projects, reporting directly to Proofpoint’s CEO, Sumit Dhawan.