Avoid sharing your meeting link on Social Media or other Public Forums, as that makes your event extremely public and allows anyone with the link to join the meeting.
#zoombombing
Enable the “Waiting Room” feature which stops any unwanted guests from joining the meeting until you Admit them into your meeting.
#zoombombing
Enable settings to allow only registered and authenticated users to join your meetings.
Prevent Participants from transferring files by disabling "File Transfer" feature, so that there is no malicious file sharing.
Enable "Co-Host" feature to also allow others to help moderate the meeting.
"Lock" your zoom meeting once all the attendees have arrived.
In case of any emergency, shutdown the meeting by clicking on "End Meeting" and then set-up a new meeting URL that is shared only with the intended participants.