| 摘要 |
A computer implemented security system (10) and method are disclosed. A user interface (20) is displayed on a display device (30), the user interface including a positioning guide (100) and a marker. User inputs are received on a password comprising a plurality of symbols and a location for each symbol in the user interface (20) relative to said positioning guide (100). Authentication is performed in dependence on the received user inputs and on the marker, the marker being selected from a plurality of markers, each marker designating a different condition to be met by the received user inputs to be successfully authenticated. |
