Federal privacy watchdog joins U.K. and B.C. counterparts in probe of possible Brexit tampering

Canada's federal privacy commissioner is joining privacy watchdogs in B.C. and the U.K. inan investigation to determine whether Canadian privacy laws were violatedin order to swaythe Brexit vote.

The Victoria-basedpoliticaldata firmAggregateIQ, the company at the centre of this investigation, was hired by the Leave side during the U.K.'s referendum on whether to remain in the European Union.

Since the Leave side won, the company has been accused of being part of a scheme to sidestep U.K. campaign spending rules to sway the vote.

"There was already an investigation as between my counterpart in the U.K. and my provincial colleagues in British Columbia to look at the alleged role of that company in influencing the result of Brexit," Daniel Therrien toldVassyKapelos, host ofCBC News Network's Power & Politics.

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'I'm not sure they've convinced legislation is necessary,' says privacy commissioner Daniel Therrien.

"That investigation has been ongoing for a number of months and today we have joined up in this investigation."

Facebook is also being investigated in aseparatejoint probe by the B.C. and federal Canadian privacy watchdogs.

Both probes will look at whether Facebook orAggregateIQviolatedCanada'sPersonal Information Protection and Electronic Documents Act(PIPEDA) or B.C.'sPersonal Information Protection Act(PIPA).

Christopher Wylie, the Canadian whistleblower at the heart of the Facebook privacy scandal, worked for a company called Cambridge Analytica that collected data on millions of Americans.

Wylie said Cambridge Analyticaexploited private social media activity to help allow the Trump campaign to better target voters by profiling their behaviour and personalities ahead of the U.S. election.

Targeting Trump voters

Wylie told a British parliamentary committee last month that he "absolutely" believed AggregateIQ which uses social media to market political campaigns to targeted groups of votershad drawn on databases at Cambridge Analytica for its work on the Brexit referendum.

"They [Cambridge] would fill out psychological surveys and then that app would then go and pull all of their Facebook data," Wylie told CBCin an interview last month."From that, we were able to make inferences or predictions about people who we haven't yet spoken to.

"It allowed us to profile upwards of 50 million Americans over a span of a couple of months and understand not only their personality traits but how they think ... and what exactly we need to do in order to pick at certain mental or emotional vulnerabilities so that those people would behave in a particular way that was conducive to [Trump campaign chief executive] Steve Bannon's objective."