Network Concepts: Media, Protocols, Addressing, Types of Networks, Topologies, Advantages of Networks. Threats in Networks: Network Vulnerability, Motivation for attacks, Threat Precursors, Eavesdropping and Wiretapping, Spoofing, Packet sniffing; Hijacking Message Confidentiality and Integrity Threats, Web Site Defacement, Denial of Service, Distributed Denial of Service, Threats to Active or Mobile Code. Network Security Controls: Segementation, Redundancy, Encryption, Content Integrity, Strong Authentication, Access Controls, Alarms and Alerts, Honeypots, Traffic Flow Security. Firewalls. Intrusion Detection Systems. Secure E-Mail. Security in Many Layers: Secure Sockets Layer (SSL); Transport Layer Security (TLS); Network – Layer Security: IPsec; Security in IEEE 802.11.
- editing-lecturer: Jeremiah Onunga