This is what Michael Haddy, CEO of Adelaide-based software engineering company Innovation Science, took on with his Rapid Passenger Tracking software.

The patented capabilities of the tracking software can automatically process masses of raw video data, locate the relevant footage and provide a short list of suspects within seconds of reporting an incident.

"The data reduction step just takes a couple of seconds so it's very quick to get to the set of surveillance video and data out of the network that then requires analysis," Haddy says.

"We very quickly identify groups of people within our suspect list and then provide those to the operator, and that would be reducing a million people in the network down to just a handful of groups."

Ticket fraud on the Tube is extremely low, so the vast majority of people, even those planning a crime, carry a legitimate ticket. Tickets passing through entry and exit turnstiles represent a largely untapped security infrastructure.