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A Bluetooth bug in a popular at-home COVID-19 test could falsify results


A security researcher found a Bluetooth vulnerability in a popular at-home COVID-19 test allowing him to modify its results.
F-Secure researcher Ken Gannon identified the since-fixed flaw in the Ellume COVID-19 Home Test, a self-administered antigen test that individuals can use to check to see if they have been infected with the virus. Rather than submitting a sample to a testing facility, the sample is tested using a Bluetooth analyzer, which then reports the result to the user and health authorities via Ellume’s mobile app.
Gannon found, however, that the built-in Bluetooth analyzer could be tricked to allow a user to falsify a certifiable result before the …

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