Protect your videos from being embedded to other websites by enabling the Domain Protection. This allows the video to be played only to your selected domains.
To enable, click on Controls on the panel of the editor
Toggle the Domain Protection switch to turn it on
Add the domains where you want the video to play only. Add one domain on each line; subdomains are considered independently, i.e. You want to play the video on www.website.com and website.com you have to add both of them