Fundamentals of Communications and Networking, 3rd Edition

Network Security

As information systems become more powerful and networks connect more resources, the opportunities for attackers increase. A whole new industry has developed over the past several decades to address concerns of information security. This industry helps organizations of all sizes keep their data secure. But what does it mean for information to be secure? And how is secure data related to networks?

Physical Security

Physical security is an important aspect of network security. Restricting the perimeter reduces the chance of unauthorized access for malicious purposes. By securing and watching the perimeter of a facility, personnel can control who enters and leaves. There are layers of physical security that should be provided ...