![Attention fliers: Canada’s electronic spy agency is following you – new Snowden leaks Attention fliers: Canada’s electronic spy agency is following you – new Snowden leaks](https://mtic.us/wp-content/uploads/2014/01/rtx72cj.si_-310x168.jpg)
Documents released by US whistleblower Edward Snowden show the Communications Security Establishment Canada (CSEC) used airport Wi-Fi to track passengers from around the world. Travelers passing through a major Canadian airport were potentially caught up in a vast electronic surveillance net, which allowed the nation’s electronic spy agency to track the wireless devices of thousands of airline passengers – even for days after they had departed the terminal, a document obtained by CBC News revealed.