Microsoft pledged to encrypt just about everything, enhance code transparency, and bolster legal protection for customers data. Microsoft is especially alarmed at the notion that governments are trying to get around online security. Government snooping potentially now constitutes an advanced persistent threat, on par with sophisticated malware and cyber attacks. Microsoft will use what it calls best-in-class industry cryptography to protect these channels, including Perfect Forward Secrecy (which Google has been using with Gmail and Google Docs since 2011; Twitters been using it since November).”]
Source: https://nakedsecurity.sophos.com/2013/12/09/microsofts-anti-nsa-encryption-pledge-raises-questions/