https://arstechnica.com/information-technology/2020/04/security-tips-every-work-from-homer-needs-to-know-about-zoom-right-now/

With the Coronavirus pandemic forcing millions of people to work, learn, and socialize from home, Zoom conferences are becoming a default method to connect. And with popularity comes abuse. Enter Zoom bombing, the phenomenon of trolls intruding into other people's meetings for the sole purpose of harassing attendees, usually by bombarding them with racist or sexually explicit images or statements. A small sample of the events over the past few days:

As disruptive and offensive as it is, Zoom bombing is a useful reminder of just how fragile privacy can be in the world of online conferencing. Whereas usual meetings among faculty members, boards of directors, and employees are protected by physical barriers such as walls and closed doors, Zoom conferences can only be secured using other means that many users are unversed in using. What follows are tips for avoiding the most common Zoom conference pitfalls.