NHS contact tracing app

May 05, 2020 Last reply: 6 years ago 120 Replies

Have you even read the info that someone linked here? It says that it works exactly like that.

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"the device?s owner has been identified as ?feeling unwell?, and we have a list of devices that have been in ?risky contact? with that same device. We use our notification system to get those devices to notify their users and ask them to self-isolate for a couple of days[4]. Then one of four things could happen, depending on health policy:

You get a clinical test and test negative. In this case, your contacts are told that it was a false notification. You get a clinical test and test positive. In this case, your contacts are asked to isolate for 14 days, and get them into the clinical testing path. You don?t get a test, but too few of your contacts report symptoms to statistically suggest that you were probably infectious. Your contacts are told they don?t need to continue to isolate. You don?t get a test, but enough of your contacts report symptoms to statistically suggest that you were probably infectious. Your contacts are told they need to continue to isolate."

So it seems that both targetted and scattergun malicious notification cascades are possible.

In the sticks, to within an areas about 3/4 of a sq. mile, in a city perhaps as good as 30m

At worst, no info at all.

The only thing they are allowed to do is use bluetooth without explicit permission from the owner of the phone.

There is no backdoor way to access any information and trivial to ensure that only official covid apps can access the bluetooth functionality without explicit permission by the owner of the phone, particularly with apple smartphones which can have apps checked by apple included in the apps store.

Not even possible.

No i5 doesn?t in with the locking down, all the notification does is ASKS the user or the phone to self isolate until test result is available.

Bur at most can only see you ASKED to self isolate for a couple of days and the system will be well aware that the malicious individual keeps doing that.

And trivial to see the test of the individual who claims to be unwell done very quickly and everyone told very quickly that self isolation is not required.

How do you they know who the individual is, they only have a random ID

How do they stop the individual uninstalling/re-installing every few days and generating a new random ID?

You don?t need to.

And that?s all you need when that ID keeps claiming to feel unwell with lots of contacts.

It isnt hard to track what ip or rsp keeps producing those dud claims about being unwell with lots of contacts and turns out to be lying about that.

But they say the loadbalancers front-ending the system won't communicate the IP addrs to the database storing the data.

Once a feature is inbuilt to a system it will not take long for someone to hack or copy what an official covid app can do for malicious purposes.

Plus any State- and/or Non-State Actors that gain access to both systems...

I never got that far with it, I was after a Boolean situation (either it is there, or it isn't). For various reasons, that experiment was abandoned, and the beacon's battery has now expired, so I can't follow up on it.

Adrian

sorry that was a typo of RSSI

I might dig my rPi3 out and see what BLE devices it can sniff ...

Well they get the make/model of phone to "calibrate" the RSSI reading. May even need the serial number as the radio used across batches of phones could be different and only be indentifiable via the make/model/serial number.

And as someone said earlier you don't give away all your counter abuse tricks.

temperature of

Shortness

As I said there isn't much about the 80% "mild symptoms" cases but I get the impression that you go downhill pretty damn quick. Like, "hum my throat feels a bit odd" to "laid up in bed with a fever" in around

12 hours.

before

Again I see the stories but I don't see them backed up with references to any studies, papers, etc. It's all ancedotal or in the mind of tabloid journo. You use the word "fact" please cite your sources to support your use of that word.

And the Universal Credit Benefit system coped with the deluge of new claims, whereas the old legacy systems for multiple benefits would have been overwhelmed.

Is that why they hide all the eggs before I arrive ?.

On Saturday, on my way back from my essential 'exercise' at a South Coast beach, I popped into a small waitrose and they had one of those wire cage trolley dollys, FULL of big boxes of eggs. The egg shelves were half filled, and two more big boxes were piled up in the aisle.

The quail eggs were reduced for quick sale, so no-one is that desparate for an egg then.

You mean like train access to single-track railway lines ? :-)

Isle of Weight ? Lots of older, ?fatter people (and much lower mobile phone ownership too).

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