Session handling, credit card transactions, and password recovery are just a few examples of Web-enabled business logic processes that malicious hackers have abused to compromise major websites. There are many forms of business logic vulnerabilities commonly exploited by attackers. These vulnerabilities are routinely overlooked during QA because the process is intended to test what a piece of code is supposed to do and not what it can be made to do. The other problem(s) with business logic flaws is scanners can’t identify them, IDS can’t detect them, and Web application firewalls can’t defend them. Hardly a winning trifecta
