I'm using Norton Mobile Security Android. Under Web Protection only Chrome & Opera browsers are listed. I also have MS Edge & DuckDuckGo browers installed. Please look into the idea of adding protection for these browsers in NMS Android.
I know these Android browsers do not have anywhere near the number of downloads/users as Chrome or Opera, however, I would think that they will increase in popularity. If Norton included them in NMS now, that would also help with their popularity. Making it a win-win solution. I think it would also give Norton a welcome cheer from those of us who are already using these browsers. (Maybe increase paid subscription users for NMS, too.) Thank you.