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

Software Tools for Assessing the Security Posture of an Organization

Security teams are constantly under attack from cyber criminals and threat actors, and they therefore need to be able to use a mixture of different security tools so that they can identify attacks before they have a chance to cause grave damage to the business. We will now look at each of these tools to see the benefits of each:

  • Protocol Analyzer: A protocol analyzer, such as Wireshark, can capture the traffic flowing through the network, including passwords in clear text and any commands being sent to network-based applications. A protocol analyzer can identify the three-way handshake between two hosts and the verbs being used with applications, such as the HTML GET verb for fetching a web page. But if we see the PUT or HEAD verb, we could recognize this as an attack.

Example: Someone within the company is...