Securing Email Communication: How to Protect Your Correspondence from Wiretapping Using Free Tools

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, ECSP, Security+ has more than 15 years of professional experience in software development and application security. Slava Gomzin is Security Architect at Retalix USA. He lives in Dallas, Texas.