Abstract:

Since the invention of the internet by Tim Berners-Lee, web development has continued to witness monumental and revolutionary changes. The changes are either in form of increase in functionalities or introduction of versions of languages and software that are less prone to attacks. But, as more functionalities and new versions are being introduced, they come with unforeseen flaws that are later discovered by the inventors themselves or professionals in the field. These problems bring about the need for a model to secure system that individuals and organization could learn from. This study used a research methodology called design and creation research. The work started by trying to study how HTML, CSS, JavaScript, PHP and SQL could work together to produce a dynamic web application, starting from their histories. The study also expatiates on so many types of PHP vulnerabilities that exist on the internet and possible ways of preventing them through recommendations from relevant professional bodies such as OWASP, PHP The Right Way, and CVE. A model secure system was developed with the recommended security features.