Book Image

CompTIA PenTest+ Study Guide

By : Mike Chapple, David Seidl
Book Image

CompTIA PenTest+ Study Guide

By: Mike Chapple, David Seidl

Overview of this book

The CompTIA PenTest+ Study Guide: Exam PT0-001 offers comprehensive preparation for the newest intermediate cybersecurity certification exam. With expert coverage of Exam PT0-001 objectives, this book is your ideal companion throughout all stages of study; whether you’re just embarking on your certification journey or finalizing preparations for the big day, this invaluable resource helps you solidify your understanding of essential skills and concepts. The book shows how to perform security assessments on desktops, mobile devices, cloud, IoT, as well as industrial and embedded systems. You'll learn how to identify security weaknesses and manage system vulnerabilities. As you progress, you'll learn methods to ensure that existing cybersecurity practices, configurations, and policies conform with current best practices. You'll assess your knowledge by simulating cyber attacks to pinpoint security weaknesses in operating systems, networks, and applications. By the end of the book, you'll have all the resources you need to prepare for the exam - identify what you already know, learn what you don’t know, and face the exam with full confidence.
Table of Contents (21 chapters)
Free Chapter
About the Authors
Assessment Test
Answers to Assessment Test
End User License Agreement

Conducting Network Exploits

Once you have gained access to one or more systems at a target location, or if you have obtained physical or wireless network access, you should consider how you can exploit the network itself. This can involve attacking network protocols and behaviors, conducting man-in-the-middle attacks to capture traffic that you wouldn’t normally be able to see, using denial of service (DoS) attacks to disable services or systems, or conducting attacks against security controls like NAC or encryption.

VLAN Hopping

Virtual local area networks (VLANs) separate broadcast domains into separate sections for security or performance reasons. Many organizations use VLANs to create internal security boundaries between different systems or organizational units. This makes the ability to access a VLAN other than the one you are currently on an attractive opportunity for penetration testers.

There are two common means of conducting VLAN hopping attacks: double tagging and...