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

Security Information and Event Management

A Security Information and Event-Management (SIEM) system automates the collection of log files from multiple hosts, servers, and network devices, such as firewalls, in real time to identify potential risks to the network.

The types of functionality from a SIEM system are as follows:

  • Aggregation: The SIEM system can move log files and data from multiple sources to a common repository.
  • Event Correlation: A SIEM system uses a correlation engine to correlate events from multiple systems. For example, if someone tried to log in to three separate devices, the SIEM server will notify the security administrator of a potential attack. When the same event is duplicated and is logged by different devices, the SIEM system will use event de-duplication to ensure that the event is logged only once.
  • WORM Drive Backup: The logs from a SIEM system can...