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Apr 28

Can We Track COVID-19 and Protect Privacy at the Same Time? – The New Yorker

Caroline Buckee, a top epidemiologist at Harvards T.H. Chan School of Public Health, has devoted her professional life to studying malaria and other infectious diseases. As news of a novel coronavirus emerged from China, Buckee realized that her area of expertisehow infectious diseases evolve as they move through vulnerable populationswould be valuable to health-care workers and elected officials as the virus spread across the globe. The methods and the tools are the same, and epidemiological models are easily adapted, Buckee told me. But, for many of us, like me, we work with endemic pathogens. COVID-19 is new. There is so much we dont know. Since the most urgent imperative was to flatten the curve of infections, it was crucial to know where public-health strategies like stay-at-home orders were working and where they were not. Buckee quickly assembled a consortium of infectious-disease researchers to make the data accessible to policymakersdata that they did not yet have.

At just about the same time, Ian Allen, a former marine and C.I.A. paramilitary officer, cold-called Harvards School of Public Health and asked if there was anything that his new company, Camber Systems, could do to help with the pandemic. Soon afterward, Allen was connected with Buckee, the associate director of the School of Public Healths Center for Communicable Disease Dynamics. Buckee had created the COVID-19 Mobility Data Network, a network of epidemiologists from universities around the world, to try to track the efficacy of social-distancing measures. Allen agreed to provide Buckee with the software to query and scrub data collected by tech companies and use it to track the coronaviruss spread without violating Americans privacy. I wasnt really expecting ever to hear back, assuming that Harvard, of all places, would have all the resources theyd ever need, Allen told me, while standing in a field in rural Virginia as his son shot at tin cans with a BB gun. (Like many parents, Allen has been homeschooling his children during the pandemic; this was geometry class.) Caroline asked me if we could help aggregate location data. Just aggregating the data and anonymizing it in the right way to protect privacy would take some of the burden off of her. Allen reached out to a handful of data firms, including Unacast, Kochava, and X-Mode. All agreed to provide their data for free.

Camber Systems, of which Allen is the C.E.O., is a year-old startup that, among other things, hopes to offer federal, state, and local government agencies ways to use commercially harvested location data to improve their operations without violating privacy laws. Shortly before the pandemic, Allen and his business partner, Navin Vembar, a mathematician who served as the chief technology officer of the General Services Administration, were searching for potential clients, talking with officials in Madison, Wisconsin, about using location data to shore up tourism and distribute the citys public resources equitably. Assisting Buckees COVID-19 Mobility Data Network was the kind of project they envisioned when they launched their company with Hangar, a venture-capital firm that funds companies that use technology in the public interest.

By presenting aggregated location data in an accessible and searchable format for epidemiologists studying COVID-19, the project would enable researchers and policymakers to see how members of the public move around their communities. When paired with other metrics, such as the number of new infections or mortality rates, the data would guide policymakers as they grappled with when and where to lift stay-at-home orders. Facebook is also supplying the network with data. According to Buckee, correspondence between the various groups gives researchers confidence in the trends they are seeing. One data set is not going to show whats going on, she said.

Location data are the bread and butter of ad tech. They let marketers know you recently shopped for running shoes, are trying to lose weight, and have an abiding affection for kettle corn. Apps on cell phones emit a constant trail of longitude and latitude readings, making it possible to follow consumers through time and space. Location data are often triangulated with other, seemingly innocuous slivers of personal informationso many, in fact, that a number of data brokers claim to have around five thousand data points on almost every American. Its a lucrative businessby at least one estimate, the data-brokerage industry is worth two hundred billion dollars. Though the data are often anonymized, a number of studies have shown that they can be easily unmasked to reveal identitiesnames, addresses, phone numbers, and any number of intimacies. As Buckee knew, public-health surveillance, which serves the community at large, has always bumped up against privacy, which protects the individual. But, in the past, public-health surveillance was typically conducted by contract tracing, with health-care workers privately interviewing individuals to determine their health status and trace their movements. It was labor-intensive, painstaking, memory-dependent work, and, because of that, it was inherently limited in scope and often incomplete or inefficient. (At the start of the pandemic, there were only twenty-two hundred contact tracers in the country.)

Digital technologies, which work at scale, instantly provide detailed information culled from security cameras, license-plate readers, biometric scans, drones, G.P.S. devices, cell-phone towers, Internet searches, and commercial transactions. They can be useful for public-health surveillance in the same way that they facilitate all kinds of spying by governments, businesses, and malign actors. South Korea, which reported its first COVID-19 case a month after the United States, has achieved dramatically lower rates of infection and mortality by tracking citizens with the virus via their phones, car G.P.S. systems, credit-card transactions, and public cameras, in addition to a robust disease-testing program. Israel enlisted Shin Bet, its secret police, to repurpose its terrorist-tracking protocols. China programmed government-installed cameras to point at infected peoples doorways to monitor their movements.

As unlikely as it may seem that such privacy-compromising measures will be adopted in the United States, the Trump Administration reportedly summoned tech executives to the White House to discuss sharing data with the government. Not much is known about the meeting. The Administration has classified all its discussions about COVID-19, and it later denounced Politico for reporting that the White House was in talks with tech firms to create a national coronavirus surveillance system. Last week, Gizmodo reported that Palantir, a secretive data-analytics firm owned by the conservative billionaire and the Trump backer Peter Thiel, has a contract from the Trump Administration to build a database to track the spread of the virus. Palantir is best known for its work with the N.S.A. and ICE, where its software is used to track undocumented immigrants. (Other private surveillance companies, most notably the Israeli firm NSO, are also pitching COVID-19 tracing to governments around the world.)

Were all too familiar with the historical record of crises, where new powers in the hands of governments and corporations lead to them holding on to them indefinitely, Adam Schwartz, a lawyer with the digital-rights group the Electronic Frontier Foundation, told me. Schwartz pointed out that most of the sweeping investigative powers given to the intelligence community after the 9/11 terrorist attack are still in place nearly two decades later. As Senator Maria Cantwell wrote, on April 9th, in her opening remarks for a paper hearing by the Senate Committee on Commerce, Science, and Transportation on the role of Big Tech during the pandemic, Rights and data surrendered temporarily during an emergency can become very difficult to get back.

As difficult as it is now to look ahead, lawmakers like Cantwell and privacy advocates like Schwartz are asking us to think about how much privacy we are willing to sacrifice to combat a rampaging virus. If we accept government data tracking, the surveillance necessary to curtail COVID-19 could become a permanent fixture in our lives. Its an unknowable trade-off. In this particular case, if we have technology for minimizing harm, we have a moral obligation to use it, Marcello Ienca, a bioethicist at the Swiss university ETH Zurich, told me. But we have to merge it with the best available technology in the areas of cybersecurity and privacy. To do this right, Ienca added, the public-health experts need to work with privacy advocates.

Read more:
Can We Track COVID-19 and Protect Privacy at the Same Time? - The New Yorker

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