Meeting recording in MP4 user able to download the file

Hi Guys,

              i'm running into the issue that users able to download the mp4 recorded meeting in there andrio phone.

i tested on the Samsung S4 and when i click on the recorded meeting link, the app that ask me to download first or play the content.

So, users are able to downloand the mp4 recorded meeting. How do we protect that?

thx