Hacking and exploiting - How do you deal with any security holes you find?

Question

Today online security is a very important factor. Many businesses are completely based online, and there is tons of sensitive data available to check out only by using your web

Answer 1

I usually contact the site administrator, although the response is almost ALWAYS "omg you broke my javascript page validation I'll sue you."

People just don't like to hear that their stuff is broken.