Last month, Microsoft announced AES dynamic encryption for live streaming and today they announced PlayReady encryption for live streaming. Currently, Azure Media Services can configure either AES or PlayReady encryption and deliver the content using streaming protocols, such as Http-live-streaming (HLS), Smooth Streaming and MPEG-DASH, you could
Microsoft PlayReady is an extensive, studio approved encryption technology that protects your content from piracy, and it is supported on a wide range of the most popular devices today. Now, you can use PlayReady to protect both Video-on-demand and live streams.
Read more about it from the link below.
Source: Azure Blog