Microsoft helped U.S. intelligence services access email, Skype and cloud storage, according to top-secret documents provided by Edward Snowden.
The latest documents come from the NSA’s Special Source Operations (SSO) division, described by Snowden as the “crown jewel” of the agency. It is responsible for all programs aimed at US communications systems through corporate partnerships such as Prism.
The files show that the NSA became concerned about the interception of encrypted chats on Microsoft’s Outlook.com portal from the moment the company began testing the service in July last year.
Within five months, the documents explain, Microsoft and the FBI had come up with a solution that allowed the NSA to circumvent encryption on Outlook.com chats