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

Understanding the Basic Concepts of Forensics

Forensics is used by the police when they are investigating crimes and need to find as much evidence as they can to secure a conviction. We will be looking at computer and web-based attacks. There are many different components, therefore we will look at each of them in turn:

  • Order of Volatility: You are a firefighter and you arrive at a house on fire; you can only save items one at a time and there are two items inside. The first is a snowman, and the second is a rib of beef; you now have a dilemma: which one shall you choose? Easy! You save the snowman first as it is melting and you let the rib of beef cook some more so that the other firefighters can have a nice supper! So, when we want to ascertain the order of volatility, we are looking to secure the most perishable evidence first. We do not try and stop the attack until we have...