Recently I was flipping through some security issues faced by websites. Fortunately come across a new term \"Click jacking\"
I understood that this attack happens on
Have a look at this:
https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options#Configuring_Apache
It's basically a response header sent out on all responses. You can code your site to do this for each individual page, but a better approach, if you are able to edit the configuration for JUST YOUR SITE, is to handle it there...
Both APACHE and IIS should have options for this - the IIS one seems to be here:
http://support.microsoft.com/kb/2694329