"Advancing our encryption and transparency efforts", 1 July 2014

In December, we announced our commitment to...increase the security of our customers' data...We are in the midst of...[an] effort to strengthen encryption across our networks and services...[which] also helps us reinforce that governments use appropriate legal processes, not technical brute force, if they want access to that data. As part of that, today we're announcing three important milestones... First, Outlook.com is now further protected by Transport Layer Security...Outlook.com has also enabled Perfect Forward Secrecy (PFS) encryption support for sending and receiving mail between email providers...Second, OneDrive has now enabled PFS encryption support as well...[T]his makes it more difficult for attackers to decrypt connections...Third...today we opened the first Microsoft Transparency Center...[to] provide participating governments with the ability to review source code for our key products...[It] is the first in a number of regional transparency centers that we plan to open... [refers to Deutsche Telekom, Yandex, Mail.Ru & Skype (part of Microsoft)]