CANADA NDP MP Matthew Dubé

NDP MP Matthew Dubé took part in an experiment with CBC/Radio-Canada that revealed vulnerabilities in Canadian telecom networks. (Marc Robichaud/CBC)

NDP MP Matthew Dubé looks at a map showing that hackers tracked his movements through his cellphone for days.

One marker shows Dubé near Parliament Hill. Another marks the place he lives when he's working in Ottawa. One more shows an early morning trip to the airport to pick up his partner from a business trip.

Hackers only needed a phone number to track this MP's cellphone | CBC News