NYT Report disclosed that how whistleblower Edward Snowden downloaded 1.7 million classified files which are revealing a number of secret spying projects that are being executed by NSA. The only lesson we have learned, is about taking our PRIVACY very seriously. A Secure messaging service for Email, Chat, VoIP, and File Sharing is being claimed by, provides 4096-bit encryption. For key exchange it uses(latency based cryptography technique), and hence made a shield against quantum computing attacks. The service provider claims that they are not storing encryption keys on their servers and so the keys are not known to them.
Source: https://thehackernews.com/2014/02/unseen-4096-bit-encrypted-email-chat.html