NISL(Network and Information Security Lab of Tsinghua University) is the team focusing on teaching, researching and operation of computer network and information security. Teachers of NISL include Haixin Duan (Supervisor of both Ph.D. and M.S student), Chao Zhang (Supervisor of both Ph.D. and M.S student), Jianwei Zhuge (Supervisor of both Ph.D. and M.S student) and Donghong Sun (Supervisor of both Ph.D. and M.S student).