New documents, leaked by Edward Snowden and reported in The Guardian newspaper, show how the NSA got Microsoft to circumvent its own encryption to intercept Outlook and Skype communications.
Revelations about secret government surveillance may have a chilling effect on the government's ability to recruit talented computer coders and hackers.
Edward Snowden is likely headed to Latin America, where several countries have offered him asylum. What is the economic situation in each of these countries?
For the most part, strong encryption technology of our e-mails, texts, and phone calls has been the domain of the powerful and the paranoid. But that's starting to change.
Revelations about NSA collection of phone and online data has caused some Americans to change their habits. An example? A jump in the use of search engines that promise more privacy.
Allegations that Hong Kong and China were among tens of thousands of targeted networks by the NSA have generated a big reaction in Beijing and among China's state-run media.