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Old 26-04-2020, 17:52   #14
Damien
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Re: Coronavirus contact tracking app

Quote:
Originally Posted by joglynne View Post
I know that this forum has a lot of members who have a sound understanding of the technology being used and what all this could mean less tech savvy members such as myself.
  • Will this lead to less privacy?
  • Will I get told that I have possibly have been infected by hundreds of infectious people within a 50 meter radius or can the Bluetooth contact are be restricted to only report ...say 5/10 metres?
  • Will having this app on my phone pose a security risk?
  • Will having this app make people feel more eager to engage in social interaction because they assume that the people they are in contact with must not be infected?


I normally value my privacy and security so having my Bluetooth and GPS turned on permanently goes against the grain and on a practical note how will having these things active effect my battery.

.... and finally, will it work if we don't have mass testing, much faster results and can't ensure that people will pass on the information that they are infectious?
I have read though the Apple/Google API and it's very clever. It will be quite good at protecting privacy to the extent that it's not a concern for me at all, you leak more information about yourself using social media, other apps and even posting on here than you would with this app.

But we're not clear if the NHS app is using this API and in France they're in conflict with Apple about it. Apple do not let various tasks run in the background and France want them to let them do so for their version of the app. Apple are saying no. Use our API. So we'll what happens.

Any for your questions:

Quote:
[*]Will this lead to less privacy?
Slightly but not really. You get given a rolling, randomly generated, token each day and it broadcasts to other phones a slightly different version every so often to avoid people tracking you via that broadcasted ID. The token used to generate that key is only on your device.

Quote:
[*]Will I get told that I have possibly have been infected by hundreds of infectious people within a 50 meter radius or can the Bluetooth contact are be restricted to only report ...say 5/10 metres?
It'll be a smaller range, the 5-10 meters. And you need to be exposed to them for a set period of time. The API's minimum is 5 minutes.
[*]Will having this app on my phone pose a security risk?

In theory you could be tracked via the broadcasted ID but Apple/Google have accounted for that and randomise the ID every so often.
[*]Will having this app make people feel more eager to engage in social interaction because they assume that the people they are in contact with must not be infected?

No, you'll never know who was or wasn't infected. All you get is a notification one of IDs you met has tested positive.
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