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Mar 2018 - IDC Perspective - Doc # US43612618

Encryption: Six Principles That CIOs Need to Know

By: Mike ChappleAdjunct Research Advisor

Table of Contents

Executive Snapshot

Figure: Executive Snapshot: Encryption — What CIOs Need to Know

Situation Overview

Understanding Encryption

Figure: Encryption and Decryption

Critical Knowledge for CIOs

Figure: Encryption: Six Principles

Encryption Is Just One Component of a Layered Defense

Key Takeaways

Encryption Algorithms Differ in Strength

Key Takeaways

Beware of "Security Through Obscurity"

Key Takeaways

Protecting Encryption Keys Is a Challenging, But Critical, Task

Key Takeaways

All Certificates Are Not Created Equal

Key Takeaways

Encryption Is Not Forever

Key Takeaways

A Final Word: The Basics

Understanding Encryption

Types of Encryption Algorithms

Key Distribution

Transport Layer Security

Advice for the Technology leader

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