Just like in Chapter 4, Human Resource Management System (HRMS) this prototype will be promoting the Hibernate 4.x Framework. The following ERD design shows a simple schema definition for the applications, since the main objective is to store issues and feedback of site visitors on each issue.
CAPTCHA or Captcha stands for Completely Automated Public Turing test to tell Computers and Humans Apart, and is a type of challenge-response test implemented on many sites to ensure that no responses to the site are automated.
There are people who want to exploit the vulnerabilities and weaknesses of a system through running robots, spiders, and crawlers that produce automated responses to any form transactions to the system. Some users just want to create spam that will cause an overhead to system performance. Some just unintentionally log in to the system many times, because they forgot their credentials, but can in turn be considered as a threat to the portal if...