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

Threat modeling techniques


There are various threat modeling techniques and methodologies. STRIDE and DREAD are two of them. We will study the STRIDE and DREAD methodologies in the following sections.

STRIDE

STRIDE is an easy-to-use threat modeling methodology developed by Microsoft. STRIDE helps in identifying threats and is an abbreviation for the following terms:

  • S—spoofing: Threats in the spoofing category include an adversary creating and exploiting confusion about the identity of someone or something.

For example, an adversary sends an email to a user pretending to be someone else.

  • T—tampering: A tampering threat involves an adversary making modifications in data while in storage or in transit.

For example, an adversary intercepts network packets, changes payment information, and forwards them to the target.

  • R—repudiation: Repudiation involves an adversary performing a certain action and then later denying having performed the action.

For example, an adversary sends a threatening email to...