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The Register
Spectre-esque exploit figures out when interesting info might be in memory Arm issued a statement last Friday declaring that a successful side attack on its TrustZone-enabled Cortex-M based systems was "not a failure of the protection offered by the architecture."… Black Hat Asia
The Hacker News
A group of researchers has revealed what it says is a vulnerability in a specific implementation of CRYSTALS-Kyber, one of the encryption algorithms chosen by the U.S. government as quantum-resistant last year. The exploit relates to "side-channel attacks on up to the fifth-order masked implementations of CRYSTALS-Kyber in ARM Cortex-M4 CPU," Elena Dubrova, Kalle Ngo, and Joel Gärtner of KTH