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

Moving around firewalls

Firewalls come in several different flavors. Software- and hardware-based systems are designed to work with different network setups. If you are running a business, for example, your firewall unit will be entirely internal. This means that everything is locked down on one side of the computer's firewall, and everything outside of the network is locked down on the other side. Your firewall will also block all communication between users of your LAN. They do this by locking down your IP addresses so that only certain users can access certain sites based on the specific rules you have established.

Bastion host

These are designed to protect services on other machines and are often used to protect databases. Each time a request comes in, the bastion host checks whether it knows how to communicate with that service (and will allow that service to share back), then passes the request on.

Screened subnet (or demilitarized zone (DMZ))

These are used...