| 摘要 |
The present invention refers to a security device (200) comprising a receiver circuitry (210) and an audio chip (212) connected to a first interface, e.g. air interface, for transferring of sound waves. The present invention also refers to a method in such a security device for supporting validation/authenticating in a validation process for an end user interacting with a web site (120) during a data session by means of a communication device (110), said security device being removably connected to the communication device. |
