What this book covers

Chapter 1, Fundamental Security Concepts, explains the necessity for network security and covers a step-by-step approach to keep in mind for securing a network. You will also learn how to identify the need for security and the factors involved in network security.

Chapter 2, Secure Network Design, explains the security threats that exist in modern networks and how to design a secure network by keeping them in mind. It also explains network segmentation, defining a network boundary, and the importance of encryption, things to consider, and the benefits of implementing security on different network layers.

Chapter 3, Server-Level Security,  gives us a basic understanding of protecting a server's infrastructure, including aspects such as hardening the server, the use of various authentication methods, password policies, and protection against viruses and malware.

Chapter 4, Cloud Security Design, explains the security aspects that you will need to keep in mind before migrating your critical data information to the cloud.

Chapter 5, Application Security Design, explains how to identify the common risks involved in designing and launching an application. You will also learn common safeguard methods from a user's point of view to surf an application in a secure way.

Chapter 6, Threat Detection and Response, explains various aspects of security IT infrastructure, from monitoring to responding to incidents and perting attackers.

Chapter 7, Vulnerability Assessment, explains the vulnerability assessment methodology and generating reports based on assessment metrics for scoring.

Chapter 8, Remote OS Detection, explains methods for detecting a target's operating system with an Nmap application.

Chapter 9, Public Key Infrastructure – SSL, explains PKI and the implementation steps for securing an application using SSL.

Chapter 10, Firewall Placement and Detection Techniques, explains the aspects of designing a firewall to build secure network. It also explains the techniques and tools to detect firewall.

Chapter 11, VPN and WAN Encryption, explains how to design and secure a WAN infrastructure.

Chapter 12, Summary and Scope of Security Technologies, explains security trends and possible future security technologies.