The Austrian Red Cross released a contact tracing app on March 25th, which uses a hybrid central‑server and local storage model. NGOs and security researchers reviewed the app and identified privacy weaknesses, recommending a switch to a decentralized DP-3T protocol. The Red Cross and Accenture have pledged to implement many of the 25 recommendations.
Why it matters: The review highlights privacy risks in Austria's COVID‑19 app and pushes for a more privacy‑friendly decentralized design.
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