As the TSA continues its move towards a risk-based approach- correctly focusing more on bad people than bad things - it will face several challenges along the way, including how it uses and guards personal traveler information.

As we enter the era of "Big Data", such discussions are popping up across society, from health care, to employee relationship management, retail, social media, and everywhere in-between.

TSA is no exception and must be held to the highest standards. No federal agency can be allowed - in the name of security - to over-reach the boundaries and jeopardize civil rights.

Using data in the right way is possible. For example, 10 of the 19 hijackers on 9/11 were selected by the Computer Assisted Passenger Profiling System for additional screening.

Still, vigilance will be key.

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