Zoom's announcement regarding password protection: https://support.zoom.us/hc/en-us/articles/360041408732-April-2020-Setting-updates-for-free-accounts-and-single-Pro-users
Zoom has recently turned on password protection as a default setting. You can find the setting to turn off password protection in your Zoom account when you log into the MySCU portal.
If you decide that you would like to keep the setting on. You can find the password under the recordings tab and the recording you are sharing. Click on share.
Here is the information that will be brought up as an example.