It also plays your user-name (when configured by the meeting owner) in the background at a non-audible frequency, so that companies can find out who leaked their meetings by analysing the audio from the leak.

https://theintercept.com/2021/01/18/leak-zoom-meeting/

I thought this thread was full of sarcasm and then I see the links.

I should have known better.

I am glad this is getting posted because we need reminders of the reality we live in

Yes there are reasons besides conflicts with US law and they not having German Servers which makes it completely GDPR in-compliant and de-facto legal unusable in the EU.

(Not that anyone seem to care.)

Well that's easy enough to defeat if oyu know of it.

Thanks a lot, its now fully trollable.

Ultrasonic sound transmission is what Cisco WebEx also claims to do. So it not something unheard of (although it is not hearable).

Any application allows remote screen recording is basically a trojan horse.

By that definition all major browsers are trojan too because they can capture screens and windows via screen capture api.

Therefore I always manually modify browser binary and rename screen capture api to something else.

I also disable WebRTC.

It's a shame Google's Blink don't offer an option to turn off features.

Its okay to do this as long as webex/zoom explicitly mentions it when you join a meeting.