SDNGuardian: Secure Your REST NBIs with API-Grained Permission Checking System. - Kailei Ren; Qiang Wei; Zehui Wu; Qingxian Wang (SecureComm, 2016)

A Dynamic Defense Using Client Puzzle for Identity-Forgery Attack on the South-Bound of Software Defined Networks. - Zehui Wu; Qiang Wei; Kailei Ren; Qingxian Wang (KSII Trans. Internet Inf. Syst., 2017)