Yang is a Network Security Engineer with 6 years of experience in the field and currently a member of Network Security Research Lab at Qihoo 360 (Netlab) where he focuses on network/passive-DNS, data process/analysis, and threat research like DDoS Monitoring, Scanner Tracking. Before joining NetLab, he was a Security Engineer in NSFOCUS and has been involved in many different projects, like SOC(security operation center), architecture design and implementation, and intranet-traffic anomaly detection.