Data Privacy Challenges for California COVID-19 Contact Tracing Technology

As opt-in contact-tracing applications across the US are being built for state-specific usage, attention inevitably turns to the privacy risks they present, and how authorities must balance public health with cybersecurity to build systems that are fully fit for purpose.In the battle to control COVID-19, the fundamental role of contact-tracing applications is to alert people when they’ve come into contact with someone who has tested positive for the virus. They have been touted as a vital tool in identifying localized spikes in infections and helping authorities to quickly isolate anyone who may be at risk of spreading the virus further.

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