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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

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Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781804610633
Length 718 pages
Edition 2nd Edition
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Author (1):
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Hemang Doshi Hemang Doshi
Author Profile Icon Hemang Doshi
Hemang Doshi
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Table of Contents (12) Chapters Close

Preface 1. Enterprise Governance 2. Information Security Strategy FREE CHAPTER 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...

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