The UK government is reportedly preparing to launch an app that will warn users if they are in close proximity to someone who has tested positive for coronavirus . The contact-tracking app will be released just before the lockdown is lifted or in its
immediate aftermath and will use short-range Bluetooth signals to detect other phones in close vicinity and then store a record of those contacts on the device.
If somebody tests positive for COVID-19, they will be able to upload those contacts,
who can then be alerted via the app.
It is reported that will not generally be shared with a central authority, potentially easing concerns that the app could snitch up users to the police for going jogging twice a day, or spending the night at
your girlfriend's place.
NHSX, the innovation arm of the UK's National Health Service, will reportedly appoint an ethics board to oversee the development of the app, with its board members set to be announced over the coming weeks. It is a bit
alarming that the government is envisaging such a long development schedule, suggesting perhaps that the end to the lockdown will be months away. The NHS is reportedly counting on the app being downloaded by more than 50% of the population.
Offsite Comment: The government must explain its approach to mobile contact tracing
7th April 2020. See
article from openrightsgroup.org by Jim Killock
The idea is for some 60% of the population to use an app which will look for people with the same app to record proximity. This data is then stored centrally. Health officials then add data of people who have been positively tested for COVID-19.
Finally, persons who may be at risk because of their proximity to someone with the virus are alerted to this and asked to self-isolate.
This approach is likely to work best late on, when people are out of the full lock down and
meeting people more than they were. It may be a key part of the strategy to move us out of lockdown and for dealing with the disease for some time afterwards. At the current time, during lockdown, it would not be so useful, as people are avoiding risk
altogether.
Of course, it will be a huge challenge to persuade perhaps 75% or more of smartphone users (80% of adults have a smartphone) to install such an app, and keep it running for however long it is needed. And there are
limitations: for instance a window or a wall may protect you while the app produces a false positive for risky contact. The clinical efficicacy of any approach needs to be throughly evaluated, or any app will risk making matters worse.
Getting users to install and use an application like this, and share location information, creates huge privacy and personal risks. It is an enormous ask for people to trust such an app -- which explains why both the UK and EU are
emphasising privacy in the communications we have heard, albeit the EU project is much more explicit. It has a website , which explains:
PEPP-PR was explicitly created to adhere to strong European privacy and data protection laws
and principles. The idea is to make the technology available to as many countries, managers of infectious disease responses, and developers as quickly and as easily as possible. The technical mechanisms and standards provided by PEPP-PT fully protect
privacy and leverage the possibilities and features of digital technology to maximize speed and real-time capability of any national pandemic response.
There are plenty of other questions that arise from this approach. The
European project and the UK project share the same goals; the companies, institutions and governments involved must be talking with each other, but there is no sign of any UK involvement on the European project's website.
The
European project has committed to producing its technology in the open, for the world to share, under a Mozilla licence. This is the only sane approach in this crisis: other countries may need this tool. It also builds trust as people can evaluate how
the technology works.
We don't know if the UK will share technology with this project, or if it will develop its own. On the face of it, sharing technology and resources would appear to make sense. This needs clarifying. In any
event, the UK should be working to produce open source, freely reusable technology.
We urgently need to know how the projects will work together. This is perhaps the most important question. People do, after all, move across
borders; the European project places a strong emphasis on interoperability between national implementations. In the, UK at the Irish border, it would make no sense for systems lacking interoperability to exist in the North and Eire.
Thus the UK and Europe will need to work together. We need to know how they will do this.
We are in a crisis that demands we share resources and technology, but respect the privacy of millions of people as best
as we can. These values could easily flip -- allowing unrestricted sharing of personal data but failing to share techologies.
The government has already made a number of communications mis-steps relating to data, including
statements that implied data protection laws do not apply in a health crisis; using aggregate mobile data without explaining why and how this is done; and employing the surveillance company Palantir without explaining or stating that it would be kept
away from further tasks involving personal data.
These errors may be understandable, but to promote a mobile contact tool using massive amounts of personal location data, that also relies on voluntary participation, the UK
government will have to do much better. PEPP-PT is showing how transparency can be done; while it too is not yet at a point where we understand their full approach, it is at least making a serious effort to establish trust.
We
need the UK government to get ahead, as Europe is doing, and explain its approach to this massive, population-wide project, as soon as possible.
Offsite Comment: The EU also has an app
7th April 2020. See
article from politico.eu
Years of efforts to safeguard personal data running headlong into calls for drastic actions to
counter the pandemic.
Update: The Challenge of Proximity Apps For COVID-19 Contact Tracing
11th April 2020. See article from eff.org
The Challenge of Proximity Apps For COVID-19 Contact Tracing
Developers are rapidly coalescing around applications for proximity tracing, which measures Bluetooth signal strength to determine whether two smartphones were close enough together for their users to transmit the virus. In this
approach, if one of the users becomes infected, others whose proximity has been logged by the app could find out, self-quarantine, and seek testing. Just today, Apple and Google announced joint application programming interfaces (APIs) using these
principles that will be rolled out in iOS and Android in May. A number of similarly designed applications are now available or will launch soon.
Update: Confirmed
13th April 2020. See article from bbc.co.uk
The UK has confirmed plans for an app that will warn users if they have recently
been in close proximity to someone suspected to be infected with the coronavirus. The health secretary Matt Hancock announced the move at the government's daily pandemic press briefing. He said the NHS was working closely with the world's leading tech
companies on the initiative.
The BBC has learned that NHSX - the health service's digital innovation unit - will test a pre-release version of the software with families at a secure location in the North of England next week.
Update: Can your smartphone crack Covid?
14th April 2020. See article from unherd.com by Timandra Harkness
I write constantly about the threat to privacy of
letting our smartphones share data that reveals where we go, what we do, and who shares our personal space. And although these are exceptional circumstances, we should not stop valuing our privacy. Emergency measures have a habit of becoming the new
normal. And information about who we've been close to could be of interest to all sorts of people, from blackmailers to over-enthusiastic police officers enforcing their own interpretation of necessary activities.
Update:
NHS in standoff with Apple and Google over coronavirus tracing
17th April 2020.See article from theguardian.com
Tech firms place
limitations on how tracing apps may work in effort to protect users' privacy