Tip #2 – Sending secure email.If you have privacy concerns, HIPPA compliance or other compliance requirements - it may be beneficial to send emails between two parties using encryption and digital signature technology. This Tech Tip describes how to setup encrypted emails between two parties using Outlook 2003 on Windows XP (the most common business platform today).
What is encryption?Encryption is a process whereby information is scrambled usually with a key or encryption code to make the information unreadable. To put the information back into a readable form, you have to have the decryption key. If everyone had the same key, anyone could "decrypt" anyone else's email, that is why you share digital signatures (which contains your public key). They the message intended for you with your public key, then only you can decrypt the message with your private key. You never give out your private key. Why would you want to send encrypted email?Encrypted email is the only way to make sure that no one can intercept and read your email along the path between your computer and the destination computer. This includes anyone that at either endpoint network (for instance - your boss or IT person) or anyone that works at either of your ISPs (Internet Service Providers) or someone at one of the Internet routing companies or your local line provider or someone that may be able to tap into one of these networks. While it may be unlikely, if you have confidential information or certainly financial information, it would be worth the time investment to set this up and use it. |
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