Now that we’ve discussed hosts, it’s time to turn our attention to networks. We’ve touched on several aspects of network security, including secure protocols, network-based attacks, and so on. We’ve just scratched the surface, and we have even more to cover in terms of securing the network portion of an infrastructure. In this part of the book, we’ll discuss network security at a greater depth, focusing on all of the different elements of the network that are connected together to provide secure communications for an enterprise. In this module, we’ll briefly review the different local area network (LAN) technologies, including devices, architectures, and secure networking principles.
Although we’ve already ...