In the current version of Skype is already used protective elements.
Microsoft began testing the feature end-to-end encryption in Skype for text, audio messages and files.
Feature called Private Conversations is currently available to subscribers of the insider program Skype on Windows, macOS, Linux, Android and iOS.
In the current version of Skype is already used protective elements, however, end-to-end encryption safer. This type of encryption means that the content of the messages can be read only by sender and receiver, they are not stored on the Microsoft servers. This does not mean that these data cannot be intercepted, but it is safer than most methods.
At the moment, to open encrypted chat can only two people, group chats, this feature is not yet available.
It is noted that a new security system based on the Signal Protocol was developed by the creators of the messenger Signal. It is so reliable that it is used in WhatsApp, Facebook and even some services of Google.
It is expected that all e-mails of users who use Windows 10 will be fully encrypted in 2018, then the opportunity will be available in the Skype clients for other operating systems.