Booklet for anyone who wants to keep their email correspondence private and protect it from unauthorized access. Step-by-step guide explains how to ensure security of email communication by utilizing existing technology.

Topics include: review of security features such as Authentication, Integrity, Non-Repudiation, and Confidentiality, explanation of cryptographic features such as digital signature and encryption, how to obtain free email certificate and install it on Outlook and iPhone, configuring Outlook and iPhone for email encryption, and more (Article: ~3,100 words).

Table of Contents

Introduction

Part I: The "Theory" of Cryptographic Message Protection

What is Public Key Encryption?

What is Public Key Infrastructure?

What is S/MIME?

What is Digital Certificate?

What Is Digital Signature?

Security Features Provided by Digital Certificate: Difference between Encryption and Digital Signature

Security Features Provided by Digital Signature

Security Features Provided by Encryption

Part II: Implementing Email Protection

Obtaining Your Personal Email Certificate (Digital ID)

Configuring Outlook

Installing Email Certificate on iPhone

Configuring Exchange Email Account on iPhone

Sending Encrypted and Digitally Signed Email from Outlook

Sending Encrypted and Digitally Signed Email from iPhone

Obtaining Recipient Certificates

Conclusion

Encryption and Digital Signatures in Gmail

Resources

About the Author

Slava Gomzin, CISSP, PCI ISA, PCIP, ECSP, Security+ has more than 15 years of professional experience in software development and security including

12 years in application development for retail industry and electronic payments,

10 years in .NET and SQL Server development,

6 years in application security and PCI compliance.

Slava Gomzin is Security Architect at Retalix USA. He lives in Dallas, Texas.