Recent security/privacy issues in computer systems/networks. Threats, attacks, countermeasures. Security research, authentication, network security, wireless security, computer system security, anonymous system, pseudonym, access control, intrusion detection system, cryptographic protocols. How to pursue research in security and design secure systems.prereq: [5211, 5103] or instr consent; 5471 or EE 5248 or Math 5248 or equiv recommended