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

Server-Side v Client-Side Execution and Validation

Website scripts run in one of two places:

  • Server Side - called the backend: Server-side validation is where the input by the user is being sent to the server and being validated with the response being sent back to the client. Programming languages such as C# and .NET are server-side.
  • Client Side - called the frontend: Client-side validation does not require a round trip to the server, so the network traffic will help your server perform better. This type of validation is done on the browser side using script languages such as JavaScript, VBScript, or HTML5 attributes.

Client-side validation is much quicker, but an attacker can exploit the JavaScript and bypass the client side. Server-side validation takes much longer, and can use input validation to check that the input is valid and to stop the attacker who has just bypassed...