Graphical Passwords: Requisite for Secure Information Systems

Security of information systems is the basic need of the day. In the present world of information technology, survival of a business is possible only through e-commerce and web based applications. With the fast growing businesses and demand of the intelligent systems, security threats and security attacks have also enhanced. This paper discusses latest security problems and threats faced by information systems. We have focused on measures to develop a secure information system through graphical authentication mechanism. Graphical passwords provide alternative method to normal text based passwords. They are considered modern authentication technique for secure information systems. In this paper, we have compared various graphical authentication methods and their problems. In the end, solutions to these security problems are given in the discussion section.