https://support.zoom.us/hc/en-us/articles/214629443-Zoom-web...
If the Zoom native app's security is a concern for you, the arguably increased security of your browser's environment should help.
If you are a Zoom meeting host, you can save your participants the trouble of the procedure described above by always showing the Join From Browser link:
https://support.zoom.us/hc/en-us/articles/115005666383-Show-...