Contact Tracing COVID-19 Infections via Smartphone Apps
Schneier on Security
APRIL 13, 2020
Google and Apple have announced a joint project to create a privacy-preserving COVID-19 contact tracing app. I was going to write a long essay about the security and privacy concerns, but Ross Anderson beat me to it. They then call your contacts in turn. The efficacy of any app-based contact tracing is still unproven.
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