Security Analysis of Threema

A group of Swiss researchers have published an impressive security analysis of Threema.

We provide an extensive cryptographic analysis of Threema, a Swiss-based encrypted messaging application with more than 10 million users and 7000 corporate customers. We present seven different attacks against the protocol in three different threat models. As one example, we present a cross-protocol attack which breaks authentication in Threema and which exploits the lack of proper key separation between different sub-protocols. As another, we demonstrate a compression-based side-channel attack that recovers users’ long-term private keys through observation of the size of Threema encrypted back-ups. We discuss remediations for our attacks and draw three wider lessons for developers of secure protocols…

January 19, 2023
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Raytheon Technologies Expands Bengaluru Operations with Opening of Pratt & Whitney India Engineering Center

BENGALURU. Pratt & Whitney, a Raytheon Technologies business, on Jauary 19 officially opened the doors to its new India Engineering Center* (IEC) in Bengaluru. The facility is co-located with Pratt & Whitney’s India Capabilities Center (ICC), which opened in 2022 to provide integrated global supply chain support, and the recently inaugurated Collins Aerospace engineering and …

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January 19, 2023
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