When you want to buy something that you can afford, what do you do? Well if you’re like most people you go to some financial institution and take out a loan in the amount of the item you wish to purchase then go and purchase the item and enjoy it. You then have two options you can respond by paying just the interest, or you can be proactive and pay the interest plus the principal. The concept holds true for security issues in application code.
more here..........http://security.howellsonline.ca/application-security-economics/
more here..........http://security.howellsonline.ca/application-security-economics/