A lot of newbies tend to involve in invalid click activities at the expense of “Forever Ban†from Google Adsense whereas a lot of genuine publishers get clickbombed by some other individual or groups just because of jealousy or some personal grudge and face difficult situation when big G treats them the same way. Read More
Good Work It put ip monitor in your website, and analyze which ip spending most time in your website, and its activity, mostly invalid clicker stay on one page and click again and again, once you found them banned there IP(s)
If someone really wanted to clickbomb your site, I don't think there is any real way to avoid it. You could monitor ip's but, that's easy to get around. The best way would probably be to not piss people off.
I have an idea, lets click your adds. Nope this is harsh, but dont promote your site dude. Thats what the review forums are for.