Book Image

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

By : Dale Meredith
Book Image

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

By: Dale Meredith

Overview of this book

With cyber threats continually evolving, understanding the trends and using the tools deployed by attackers to determine vulnerabilities in your system can help secure your applications, networks, and devices. To outmatch attacks, developing an attacker's mindset is a necessary skill, which you can hone with the help of this cybersecurity book. This study guide takes a step-by-step approach to helping you cover all the exam objectives using plenty of examples and hands-on activities. You'll start by gaining insights into the different elements of InfoSec and a thorough understanding of ethical hacking terms and concepts. You'll then learn about various vectors, including network-based vectors, software-based vectors, mobile devices, wireless networks, and IoT devices. The book also explores attacks on emerging technologies such as the cloud, IoT, web apps, and servers and examines prominent tools and techniques used by hackers. Finally, you'll be ready to take mock tests, which will help you test your understanding of all the topics covered in the book. By the end of this book, you'll have obtained the information necessary to take the 312-50 exam and become a CEH v11 certified ethical hacker.
Table of Contents (23 chapters)
1
Section 1: Where Every Hacker Starts
10
Section 2: A Plethora of Attack Vectors
15
Section 3: Cloud, Apps, and IoT Attacks
20
Chapter 17: CEH Exam Practice Questions

Chapter 10: Sniffing and Evading IDS, Firewalls, and Honeypots

Sniffing is an old method with new technology. Back in the day—before smartphones—we had telephones. There was a method used to tap into the phone line and listen in on conversations. You could record traffic, as well as intercepting data going across the line.

This required you to select a target and then connect with a listening or recording device. This was typically achieved by unofficial or official channels—depending on the legality—as well as a direct line mechanism. You could also use radio wiretaps. The whole purpose here was to listen in on conversations or record data that was flowing.

An attacker can intercept and read any network packet containing plaintext information. This information could include usernames, passwords, personal codes, banking information, or anything else valuable to the attacker.

Packet sniffing has the same concept as wiretapping—just on a different...