On April 5th, Zoom will turn on passwords and waiting rooms by default for all meetings in an effort to help prevent "Zoombombing." The service’s new default protections may also address other security issues with the platform as well.
@dgolumbia This seems like a problem that is absolutely optimally solved technologically. Allow for setting up meeting rooms where the admin restricts who can participate, would be my first attempt.
Oh they're doing things already: