Tor and the Tor browser seem to have posed many problems for NSA, in general making it very difficult to track people. Tor is a network of over 5,000 relays that redirect user traffic, enabling online anonymity. It's also what Silent Circle's " Silent Phone" uses as well. RedPhone, along with its Signal (opens in new tab) variation for iOS, is an encrypted voice app that uses the ZRTP protocol, invented by Phil Zimmerman, Jon Callas (both at Silent Circle), and other security researchers. In the documents seen by Jacob Appelbaum, RedPhone is labeled as "Catastrophic" in terms of how easy it is to break. However, we're probably at least a year away from a public release, and we also don't know yet if it will remain as secure as using the original PGP or if it will introduce new vulnerabilities along with a new easier-to-use design. One of these companies is Google, which is working on the "End-to-End" extension for email.
Fortunately, there are multiple individuals and companies working on making it easier.
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