We all know that regular email is insecure; however, it may surprise you to learn just how insecure it really is. For example, did you know that messages which you thought were deleted years ago may be sitting on servers half-way around the world? Or, that your messages can can sometimes be read and modified in transit, even before they reach their destination? Did you know that forging email is very, very easy? Can you trust what you read in an email? Email security was never designed in to the internet from the beginning and as a result, many different solutions have evolved to plug the multitude of resulting issues.
This article is designed to teach you about how email really works, what the real email security issues are, what mitigations to these are generally in use, and what else you can to to protect you email.
Information security and integrity are centrally important as we use email for personal and business communication: sending confidential and sensitive information over this medium every day. While you are reading this article, imagine how these security problems could affect your business, your personal life, and your identity…. if they have not already.
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