Wednesday, February 1

Facebook Doesn’t Know Where Your Data Is, What Its Engineers Are Doing With It


Facebook and its guardian firm Meta have gobs of delicate person knowledge from monitoring individuals throughout the web, no clear thought the place it’s all saved, who exactly has entry to it, and even what data it accommodates.

That’s one top-level takeaway from a newly unsealed court transcript that includes the testimony of two senior Facebook engineers who had been enlisted by a U.S. district courtroom to assist make clear the corporate’s knowledge retention practices.

The testimony of Eugene Zarashaw, a Facebook engineering director, and Steven Elia, a software program engineering supervisor, was first reported by The Intercept.

Facebook made the consultants accessible as a part of an ongoing lawsuit prompted by the Cambridge Analytica knowledge scandal, during which huge troves of person knowledge had been secretly harvested and exploited by a agency with hyperlinks to Donald Trump’s 2016 presidential marketing campaign.

A court-appointed particular grasp, Daniel Garrie, has the unenviable job of figuring out the place Facebook shops private knowledge in its 55 subsystems ― which neither Zarashaw nor Elia might actually reply.

Presented with an inventory of these methods, neither engineer acknowledged what all of them had been, not to mention what knowledge they collected.

Asked the place Facebook shops a person’s on-platform exercise, knowledge obtained from third events about customers’ actions outdoors of Facebook, and different inferred person knowledge, once more, neither knew the reply.

“I don’t consider there’s a single person who exists who might reply that query,” Zarashaw instructed the courtroom. “It would take a major crew effort to even have the ability to reply that query.”

Zarashaw added that Facebook tends to construct items of infrastructure, “after which simply depart them working for anyone on the firm to make use of.” Other groups then “find yourself utilizing different items of infrastructure as underlying storage,” making it troublesome to completely account for who’s doing what.

“It would take a number of groups on the advert aspect to trace down precisely the ― the place the [user] knowledge flows,” Zarashaw added. “I’d be stunned if there’s even a single individual that may reply that slender query conclusively.”

What’s extra, Zarashaw instructed the courtroom Facebook has a “considerably unusual engineering tradition” in that it usually doesn’t generate documentation for others to consult with later.

“Effectively the code is its personal design doc,” the engineer mentioned. “For what it’s price, this [was] terrifying to me after I first joined as properly.”

A Meta spokesperson vehemently disputed the notion that it has haphazard inside knowledge monitoring insurance policies.

“Our methods are refined and it shouldn’t be a shock that no single firm engineer can reply each query about the place each bit of person data is saved,” the corporate mentioned in a press release.

“We’ve constructed some of the complete privateness applications to supervise knowledge use throughout our operations and to fastidiously handle and shield individuals’s knowledge. We have made ― and proceed making ― vital investments to satisfy our privateness commitments and obligations, together with intensive knowledge controls.”

The transcript bolsters an April Motherboard report, primarily based on a leaked inside doc from the corporate’s advertisements and enterprise product crew, that instructed Facebook is structurally incapable of adequately regulating person knowledge due to how the corporate is constructed.

“We do not need an satisfactory degree of management and explainability over how our methods use knowledge, and thus we are able to’t confidently make managed coverage modifications or exterior commitments similar to ‘we is not going to use X knowledge for Y function,’” the document reads. “And but, that is precisely what regulators count on us to do, growing our threat of errors and misrepresentation.”

The 15-page doc in contrast Facebook’s person knowledge to a bottle of ink that’s been emptied right into a physique of water.

“You pour that ink right into a lake of water (our open knowledge methods; our open tradition) … and it flows … in all places. How do you place that ink again within the bottle? How do you set up it once more, such that it solely flows to the allowed locations within the lake?”


2022-09-08 20:00:53

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