What is the Best Way to Secure ClickBank Products

Going to be releasing a product in a couple of weeks and want to know the best way to protect the product from refunds and being shared. Is there a way to set everything up so that if they get a refund, the product no longer works? Any scripts you can recommend?

Hmm... why not membership site to read the file?

I did find the software below. Does anyone have any experience with service below?

that will def help, however users can copy the contents before u disable their ebook and paste it into another file. hence in terms of refunds u really cant do much becaus clickbank will refund them, but i terms of protecting ur ebook, yes, that solution will help but only to an extent. savy users will copy and paste the content into another file.