Teresa Scassa - Blog

Wednesday, 21 March 2018 09:08

Some thoughts on Facebook's accountability in the Cambridge Analytica scandal

Written by  Teresa Scassa
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The recent scandal regarding the harvesting and use of the personal information of millions of Facebook users in order to direct content towards them aimed at influence their voting behavior raises some interesting questions about the robustness of our data protection frameworks. In this case, a UK-based professor collected personal information via an app, ostensibly for non-commercial research purposes. In doing so he was bound by terms of service with Facebook. The data collection was in the form of an online quiz. Participants were paid to answer a series of questions, and in this sense they consented to and were compensated for the collection of this personal information. However, their consent was to the use of this information only for non-commercial academic research. In addition, the app was able to harvest personal information from the Facebook friends of the study participants – something which took place without the knowledge or consent of those individuals. The professor later sold his app and his data to Cambridge Analytica, which used it to target individuals with propaganda aimed at influencing their vote in the 2016 US Presidential Election.

A first issue raised by this case is a tip-of-the-iceberg issue. Social media platforms – not just Facebook – collect significant amounts of very rich data about users. They have a number of strategies for commercializing these treasure troves of data, including providing access to the platform to app developers or providing APIs on a commercial basis that give access to streams of user data. Users typically consent to some secondary uses of their personal information under the platform’s terms of service (TOS). Social media platform companies also have TOS that set the terms and conditions under which developers or API users can obtain access to the platform and/or its data. What the Cambridge Analytica case reveals is what may (or may not) happen when a developer breaches these TOS.

Because developer TOS are a contract between the platform and the developer, a major problem is the lack of transparency and the grey areas around enforcement. I have written about this elsewhere in the context of another ugly case involving social media platform data – the Geofeedia scandal (see my short blog post here, full article here). In that case, a company under contract with Twitter and other platforms misused the data it contracted for by transforming it into data analytics for police services that allowed police to target protesters against police killings of African American men. This was a breach of contractual terms between Twitter and the developer. It came to public awareness only because of the work of a third party (in that case, the ACLU of California). In the case of Cambridge Analytica, the story also only came to light because of a whistleblower (albeit one who had been involved with the company’s activities). In either instance it is important to ask whether, absent third party disclosure, the situation would ever have come to light. Given that social media companies provide, on a commercial basis, access to vast amounts of personal information, it is important to ask what, if any, proactive measures they take to ensure that developers comply with their TOS. Does enforcement only take place when there is a public relations disaster? If so, what other unauthorized exploitations of personal information are occurring without our knowledge or awareness? And should platform companies that are sources of huge amounts of personal information be held to a higher standard of responsibility when it comes to their commercial dealing with this personal information?

Different countries have different data protection laws, so in this instance I will focus on Canadian law, to the extent that it applies. Indeed, the federal Privacy Commissioner has announced that he is looking into Facebook’s conduct in this case. Under the Personal Information Protection and Electronic Documents Act (PIPEDA), a company is responsible for the personal information it collects. If it shares those data with another company, it is responsible for ensuring proper limitations and safeguards are in place so that any use or disclosure is consistent with the originating company’s privacy policy. This is known as the accountability principle. Clearly, in this case, if the data of Canadians was involved, Facebook would have some responsibility under PIPEDA. What is less clear is how far this responsibility extents. Clause 4.1.3 of Schedule I to PIPEDA reads: “An organization is responsible for personal information in its possession or custody, including information that has been transferred to a third party for processing. The organization shall use contractual or other means to provide a comparable level of protection while the information is being processed by a third party.” [My emphasis]. One question, therefore, is whether it is enough for Facebook to simply have in place a contract that requires its developers to respect privacy laws, or whether Facebook’s responsibility goes further. Note that in this case Facebook appears to have directed Cambridge Analytica to destroy all improperly collected data. And it appears to have cut Cambridge Analytica off from further access to its data. Do these steps satisfy Facebook’s obligations under PIPEDA? It is not at all clear that PIPEDA places any responsibilities on organizations to actively supervise or monitor companies with which it has shared data under contract. It is fair to ask, therefore, whether in cases where social media platforms share huge volumes of personal data with developers, is the data-sharing framework in PIPEDA sufficient to protect the privacy interests of the public.

Another interesting question arising from the scandal is whether what took place amounts to a data breach. Facebook has claimed that it was not a data breach – from their perspective, this is a case of a developer that broke its contract with Facebook. It is easy to see why Facebook would want to characterize the incident in this way. Data breaches can bring down a whole other level of enforcement, and can also give rise to liability in class action law suits for failure to properly protect the information. In Canada, new data breach notification provisions (which have still not come into effect under PIPEDA) would impose notification requirements on an organization that experienced a breach. It is interesting to note, though, that he data breach notification requirements are triggered where there is a “real risk of significant harm to an individual” [my emphasis]. Given what has taken place in the Cambridge Analytical scandal, it is worth asking whether the drafters of this provision should have included a real risk of significant harm to the broader public. In this case, the personal information was used to subvert democratic processes, something that is a public rather than an individual harm.

The point about public harm is an important one. In both the Geofeedia and the Cambridge Analytica scandals, the exploitation of personal information was on such a scale and for such purposes that although individual privacy may have been compromised, the greater harms were to the public good. Our data protection model is based upon consent, and places the individual and his or her choices at its core. Increasingly, however, protecting privacy serves goals that go well beyond the interests of any one individual. Not only is the consent model broken in an era of ubiquitous and continuous collection of data, it is inadequate to address the harms that come from improper exploitation of personal information in our big data environment.

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