The security of a computer system can be enhanced in an innovative way through graphical passwords. We are all aware that passwords can be stolen. Therefore, in order to enhance a computer’s security ...

This is a preview. Log in through your library . Abstract Depending on the graphical password schema, the key-space can be even bigger than alpha-numeric passwords. However, in conventional passwords, ...

The main objective of this project is to provide a security system having the provision to change the password by the authority only. The microcontroller based lock indication is an access control ...