A method for ensuring that an individual is authorized to conduct an activity is provided. The method includes conducting, using a processor, an authentication transaction with authentication data captured from an individual desiring to conduct an activity, and determining whether the captured authentication data is legitimate when the individual is successfully authenticated. Moreover, the method includes determining the individual is authorized to conduct the activity when the captured authentication data is legitimate, and conducting, using the processor, a subsequent authentication transaction with authentication data captured from the individual at a subsequent time.