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Week 2: Authentication

Completion requirements
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This figure shows a user receiving a text message from their bank, containing a security or authorisation code. There is a graphic superimposed on top representing the browser or bank app being used, which displays the message 'Your security code was sent by text message to: [phone number]'. There is then a blank box with the instruction 'Enter security code' where the received code can be typed to confirm the request.

 3 Two-factor authentication