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

DHCP assaults

DHCP Assaults sounds like a cool title for a movie, doesn't it? DHCP is such an integrated technology throughout our network infrastructure, it is an extreme target for an attacker to get to because we can control so many things when it comes to the use of this technology.

So, what is DHCP and what is it for? If you don't know what it is, I'll give you a quick overview of what it's designed to do.

DHCP is a specialized server role we install on a server. We do this because any computer that needs to connect to the network or gain access to resources, whether internal or external (such as the internet), needs some way of connecting, and we do that via IP addresses.

DHCP oversees assigning IP addresses to computers as they hit the network. It does that by creating a scope—basically, a database of IP addresses.

One of the main responsibilities of the DHCP server is to keep track of which computer has which IP address. This way...