Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Certified Information Security Manager Exam Prep Guide

You're reading from   Certified Information Security Manager Exam Prep Guide Gain the confidence to pass the CISM exam using test-oriented study material

Arrow left icon
Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781804610633
Length 718 pages
Edition 2nd Edition
Arrow right icon
Author (1):
Arrow left icon
Hemang Doshi Hemang Doshi
Author Profile Icon Hemang Doshi
Hemang Doshi
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

Preface 1. Enterprise Governance FREE CHAPTER 2. Information Security Strategy 3. Information Risk Assessment 4. Information Risk Response 5. Information Security Program Development 6. Information Security Program Management 7. Information Security Infrastructure and Architecture 8. Information Security Monitoring Tools and Techniques 9. Incident Management Readiness 10. Incident Management Operations 11. Answers to Practice Questions

Cryptography

Cryptography is defined as the art or science of secret writing with the use of techniques such as encryption. Encryption is the process of converting data into unreadable code so it cannot be accessed or read by unauthorized people. This unreadable data can again be converted into a readable form by the process of decryption. Different types of algorithms are available for encryption and decryption.

Symmetric Encryption vis-à-vis Asymmetric Encryption

Encryption can be of two types, that is, symmetric encryption and asymmetric encryption. The following table will help you understand the differences between the two:

Symmetric Encryption

Asymmetric Encryption

A single key is used to encrypt and decrypt messages

Two keys are used: one for encryption and another for decryption.

It is known as symmetric...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image