Avatar

Han Lee

Senior Product Manager

Enterprise Switching

Han Lee is a Senior Product Manager at Cisco Systems Inc., focusing on Enterprise Switching. He works closely with customers around the world to help them achieve their missions with Cisco's networking solutions. In his current role, Han leads the switching strategy for PQC, driving adoption for Cisco C9000 Smart Switches. Prior to joining Cisco, he worked as a product manager at AWS and VMware

Articles

April 1, 2026

NETWORKING

Why full-stack post-quantum cryptography cannot wait

3 min read

Full-stack post-quantum cryptography (PQC) is the architectural framework introduced with Cisco IOS XE 26. It is designed to safeguard devices at every layer—securing boot processes, image integrity, network traffic, and management sessions.