Secure Email is an area of computing that I was not very familiar with. I had heard the terms used before, but was not used to hearing about encryption, keys, etc. I found an article from 2001, regarding using secure emails, and I reviewed it just to decipher where secure email originally developed from.
Going through this original article on CNET news from May 30th, 2001, it seemed that at the time, there were a variety of loose secure email methods floating around. A standard had not been set yet. The article covers that only a few companies at the time were using any kind of secure email and that the Open PGP Alliance was becoming the Internet standard for encryption. It used publc key specific to recipients. This was just covered this past week in class, and I find it interesting that less than ten years ago, a standard had not been set. 
The article goes on to talk about how the key players that worked with the various encryption techniques were not all on board, but realized that a universal option needed to be devised. It states that by joining forces it would enable the various companies to communicate better, faster, and more efficiently, without having to determine which format to use.In all, I think that for companies with sensitive information, email security would be vital. With companies developing new products and services, the last thing they would want is for a competitor to discover the new trade secret that might change the marketplace.
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