Google Urged to Scrub Personal Details From Toronto Digital City

Alphabet's digital city on Toronto's waterfront is in danger of becoming surveillance city unless data is stripped of personal details from the get go, according to one of the world's leading privacy experts.

Ann Cavoukian will meet with Waterfront Toronto, the government organization overseeing the project, this week to seek a commitment that information collected will be "de-identified at source." Cavoukian resigned as an adviser to Sidewalk Labs LLC, a unit of Google parent Alphabet, last month in protest over privacy concerns but said she would consider returning if this principle is ensured.

"If you can't insist upon data being de-identified at source, you're going to have a city of surveillance because everybody wants access to personally-identifiable data," Cavoukian said in an interview. "That's the treasure trove and that's the exact opposite of what we want."

Sidewalk Labs and Waterfront Toronto unveiled a plan to much fanfare a year ago to turn a 4.9-hectare (12-acre) patch of land on Lake Ontario into a "city of the future," showcasing everything from green-energy systems to new housing techniques. It's been embroiled in controversy from the start over how data from smartphones, sensors and the like, will be used, with Cavoukian's resignation the latest twist.

The former information and privacy commissioner of Ontario emphasised that Sidewalk has never pushed back on de-identification at source but said it couldn't control what other companies would do. "That just set off all the whistles in my head," Cavoukian said.

She was hired as a paid adviser by Sidewalk Labs last December to embed her "privacy by design" framework in the project. The model holds that privacy must be incorporated into data systems, projects designs and technologies by default and has been used by international organisations including the US Federal Trade Commission.

Virtually all so-called smart cities, including those in Dubai and China, have turned into surveillance cities, said Cavoukian. She was hoping Toronto would buck the trend.

"I have a lot of international contacts and when they heard I was retained by Sidewalk Labs to embed privacy by design, they were all very optimistic that we were going to get a model for a smart city of privacy as opposed to surveillance," Cavoukian said. "All that's changed now so there's a lot of concern."

Dan Levitan, a spokesman for Sidewalk, said the New York-based company believes there needs to be an independent body to set privacy rules for the development.

"It's really a question of who writes the rules: our point is that we can write rules for ourselves but it's not our place to impose rules on this place at large, because we don't think us or any entities should be imposing the rules," he said by phone.

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