There are currently a lot of articles purporting to provide one with relatively easy upgrades of Zoom chat security. This article below states some methods of doing so, but also includes frequent disclaimers that determined ZoomBombers might be able to get past the security method employed, nonetheless.
Sounds a bit like IRL home security, where the most determined thieves can probably make their way past much of home security devices in place. But the homeowner’s strategy is more or less to put up as many barriers as is practical, without turning a home into a prison. And probably the same holds true for teleconferencing.
[gview file=”https://publicservicesalliance.org/wp-content/uploads/2020/04/Prevent-Zoombombing-Change-these-4-Zoom-settings-now-for-secure-video-chat-CNET.pdf”]