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

Common Attacks

If you are going to gain the CompTIA Security+ qualification, you need to know the different types of attacks that you may encounter; there are numerous attacks and you need to know about each of them, their characteristics, and how they can be prevented. Let's look at each in turn.

Application/Service Attacks

  • Denial-of-Service (DoS) Attack: A DoS attack is where the victim's machine or network is flooded with a high volume of requests from another host so that it is not available for any other hosts to use. A common method is to use SYN flood attacks, where the first two parts of the three-way handshake occur and the victim holds a session waiting for an ACK that never comes.
A SYN flood attack...