(Internal information on national information security, including public key cryptography theory, introduction to intrusion/intrusion detection technology, and basic knowledge of information security
Network Security Tutorial (Internal Information on National Information Security)\ISEC_2105_IDS.ppt
Network Security Course (Internal Information of National Information Security)\ISEC_2107_PKI.ppt
Network Security Tutorial (Internal Information on National Information Security)\ISEC_Security Basics.ppt)