Book Image

Securing Network Infrastructure

By : Sairam Jetty, Sagar Rahalkar
Book Image

Securing Network Infrastructure

By: Sairam Jetty, Sagar Rahalkar

Overview of this book

Digitization drives technology today, which is why it’s so important for organizations to design security mechanisms for their network infrastructures. Analyzing vulnerabilities is one of the best ways to secure your network infrastructure. This Learning Path begins by introducing you to the various concepts of network security assessment, workflows, and architectures. You will learn to employ open source tools to perform both active and passive network scanning and use these results to analyze and design a threat model for network security. With a firm understanding of the basics, you will then explore how to use Nessus and Nmap to scan your network for vulnerabilities and open ports and gain back door entry into a network. As you progress through the chapters, you will gain insights into how to carry out various key scanning tasks, including firewall detection, OS detection, and access management to detect vulnerabilities in your network. By the end of this Learning Path, you will be familiar with the tools you need for network scanning and techniques for vulnerability scanning and network protection. This Learning Path includes content from the following Packt books: •Network Scanning Cookbook by Sairam Jetty •Network Vulnerability Assessment by Sagar Rahalkar
Table of Contents (28 chapters)
Title Page
Copyright and Credits
About Packt
Contributors
Preface
Index

Introduction to SCADA/ICS


The automation technology used to manage and perform various industrial operations such as line management control and operations control are part of what is known as operational technology:

 

Industrial control systems (ICS) cover a huge part of the operational technology segment, and are used to monitor and control various operations such as automating production, the control and monitoring of hardware systems, regulating temperature by controlling water levels, and the flow at a nuclear facility. Most ICS usage is done in very critical systems that are required to be available all the time.

The hardware that is used for ICS is of two types, programmable logic controllers (PLCs), or discrete process control systems (DPC), which are in turn managed by Supervisory Control and Data Acquisition (SCADA) systems. SCADA allows and makes easy the management of ICS systems by providing interface-based control rather than the user having to manually enter each and every command...