It can be set. By setting a password for a meeting, only those who share the password can join the meeting. In addition, it can be set so that only users of the specified domain can participate.
Can anyone join a meeting if I know the meeting ID?
How many participants can be displayed on one screen?
How many people can be connected to one meeting at the same time?
Do I need to purchase dedicated equipment to use Zoom Meetings?
Is it necessary to review the WAN and LAN when using Zoom?
Can I always hold a meeting with the same meeting ID?