Now, Federal Parliament has passed a law that will give Australian security forces the power to collect more of our biometric data at airports and other entry points into the country.

The Federal Government says the laws must be expanded to maintain national security, but privacy advocates are concerned the mass collection of biometric identifiers is a step too far.

Emily Porrello investigates in this audio report.

Featured are:

► John Kendall — national security program director, Unisys Asia Pacific

► Adam Molnar — Deakin University criminologist and board member of the Australian Privacy Foundation