Patent ID: 7093281

Claim:
A method of providing a casual user access to an electronic exchange via interaction with a casual access application, wherein a casual user is an individual who is required to interact with an exchange application but is not registered with an exchange security mechanism, said method comprising: a) detecting an event within an electronic exchange application which is run in the electronic exchange wherein the electronic exchange application determines that some interaction with an external application is necessary; b) automatically responding to the event detection by generating and transmitting an external message to said casual user containing information on accessing said casual access application; c) automatically generating a context sensitive personal identification number (CS-PIN) upon access of said casual access application by said casual user using said information; d) storing said CS-PIN in a CS-PIN holder, wherein said CS-PIN holder is independent of said casual access application and said casual user and is accessible to said casual user; and e) enabling the casual user access to said casual access application by said casual user using said CS-PIN.