Admin option for link sharing default control

[Richard Roy]

the link sharing defaults to public and not requiring a password. I would like an admin option to change the default to require a password so folks do not have to remember and do not accidentally share a file unintentionally. The idea is that if we share a file with a particular customer they need to log in to see it, if it is not locked down then someone else can get the url and see it without logging in.