Please put the option to put a password in the next update, you are very vulnerable in terms of security, since by not having a login protocol (or the option to appear visible) anyone who has the mobile phone application has access to your computer until you turn off the application on your computer.
This feature is already planned! Release will probably be Q1 or Q2 2024. Important to note is that you can always see which viewers are currently and previously connected via spacedesk Driver Console so other people/users will not be able to connect to your PC unnoticed.