- Plesk for Windows
Opening a one of MSSQL databases in myLittleAdmin, all the MSSQL databases of the server are shown.
Guest user is added to database permissions. Guest user allows database access to logins who do not have associated users inside SQL Server databases.
Login to MSSQL Server using MSSQL Server Management Studio
Right click on Database_name > Properties > Permissions, then manually uncheck all permissions in Grant column for "guest" user and click OK: