The hottest topic in the IT industry today is computer security. The news is replete with stories of hacking, viruses, and identity theft. The cornerstone of security is defending the organizational network. Network Defense and Countermeasures: Principles and Practices offers a comprehensive overview of network defense. It introduces students to network security threats and methods for defending the network. Three entire chapters are devoted to firewalls and intrusion-detection systems. There is also a chapter providing a basic introduction to encryption. Combining information on the threats to networks, the devices and technologies used to ensure security, as well as concepts such as encryption provides students with a solid, broad-based ...

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