Schneier on Security::Two-Factor Authentication with Cell Phones

Bruce Schneier links to a good idea for a two factor authentication system for internet banking.

All large value transactions for customers of ASB and Bank Direct will have to enter an 8 digit security code within a 3 minute window to authenticate the transaction – The code will be sent to the customers mobile phone.

I only hope the implementation of this doesn’t allow the user to setup there mobile phone number within the system through the internet banking system – otherwise surely this doesn’t provide any benifit at all!

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