While saving computer OS credentials and security code reduces the connecting effort on the establishment of each remote session, Splashtop Gateway v3.24.0 started to provide global options to disable this behavior for security enhancement.
Connect authentication settings on Streamer
Connecting to a MAC
a.) Mac user login
b.) Splashtop Security Code login
Disable saving login credentials from Gateway
Log in Gateway web console as Team owner -> Management -> Team Settings
Find below options in Splashtop Remote Support Settings
[ ] Allow users to save Windows/Mac credential
[ ] Allow users to save security code
These options are enabled by default, uncheck to disable.
Note: Client app re-login is required to activate the new policy.
Connecting to a MAC after disabled
a.) Mac user login with no saving option.
b.) Splashtop Security Code login with no saving option.