Former NSA worker unveils tool said to secure email

http://en.wikipedia.org/wiki/National_Security_Agency

Email, perhaps still the most widely used Internet application, has about the same level of security as a postcard. But unlike postcards, it’s widely depended on by businesses.

It wasn’t designed with security in mind. It was just designed to work. But following disclosures of large-scale spying by the U.S. as well as other nations over the last several years, a variety of companies, including Wickr and Silent Circle, see commercial opportunities in making encrypted messaging products that are easier to use.

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Story added 3. February 2014, content source with full text you can find at link above.