Cisco A Beginner’s Guide Fifth Edition

CHAPTER 8

Security Overview

 

The concept of network security may seem somewhat of a moving target—or several moving targets. When we talk about “security,” we know what we want, but describing it and making it happen can be different matters altogether. Network security has a natural conflict with network connectivity. The more an autonomous system opens itself up, the more risk it takes on. This, in turn, requires that more effort be applied ...