[power]

Zoom traffic is encrypted, just not end-to-end. So your ISP and flatmates can't sniff it but people with access to Zoom servers could

[ngcc_hk]

Where are those servers?

[cbm-vic-20]

The 5.0 client includes an icon that has this information; after starting a meeting, this currently says "You are connected to the Zoom global network via a datacenter in the United States."

Make what you will of that.