Book Image

CompTIA Security+ Certification Guide

By : Ian Neil
Book Image

CompTIA Security+ Certification Guide

By: Ian Neil

Overview of this book

CompTIA Security+ is a worldwide certification that establishes the fundamental knowledge required to perform core security functions and pursue an IT security career. CompTIA Security+ Certification Guide is a best-in-class exam study guide that covers all of CompTIA Security+ 501 exam objectives. It is authored by Ian Neil, who is a world-class trainer of CompTIA Security+ 501. Packed with self-assessment scenarios and realistic exam questions, this guide will help you master the core concepts to succeed in the exam the first time you take it. Using relevant examples, you will learn all the important security fundamentals from Certificates and Encryption to Identity and Access Management concepts. You will then dive into the important domains of the exam; namely, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, and cryptography and Public Key Infrastructure (PKI). This book comes with over 600 practice questions with detailed explanation that is at the exam level and also includes two mock exams to help you with your study plan. This guide will ensure that encryption and certificates are made easy for you.
Table of Contents (18 chapters)
12
Mock Exam 1
13
Mock Exam 2
15
Acronyms

Wireless Attacks

Over the past few years, the use of wireless internet in our daily lives and in the workplace has increased to the extent that, if I am booking a hotel room and there is no wireless internet, then I look for another hotel. Most rail companies provide complimentary Wi-Fi. Let's look at different types of wireless attacks:

  • Evil Twin: An Evil Twin is a wireless access point with no security that is made to look like a legitimate wireless access point; when a user connects to it, all of their traffic is scanned and the user is unaware of this:
Figure 9: Evil twin

The diagram in Figure 9 helps to explain an evil twin wireless access point. The victim has gone to a coffee shop to purchase some coffee; the coffee shop provides Wi-Fi free of charge; the SSID is hidden, and the WAP password is included on the receipt. However, when the customer sits down at the...