I enabled watermark funtion of Magento, but original files still accessable from url without watermark.
Cached image url with watermark
Original image url without watermark:
So, if someone remove /cache/df484df48ez74849c15sd4f7780/ from url can access to original photo without watermark to steal images.
How can i protect my original images?
I found this exention but its not working with 2.2
Here is the solution for your issue: How to protect the original product images in Magento 2.
Hope that it can help!