Prefetch Side Channels Undermine the Isolation Between User and Kernel Space on AMD CPUs


This new technical paper titled "AMD Prefetch Attacks through Power and Time" is from researchers at Graz University of Technology and CISPA Helmholtz Center for Information Security. Note, this is a prepublication paper for the USENIX Security Symposium in Boston in August 2022.   This paper includes countermeasures and mitigation strategies, and the paper indicates that the findings were di... » read more

Usability of Authenticity Checks for Hardware Security Tokens


Abstract:  "The final responsibility to verify whether a newly purchased hardware security token (HST) is authentic and unmodified lies with the end user. However, recently reported attacks on such tokens suggest that users cannot take the security guarantees of their HSTs for granted, even despite widely deployed authenticity checks. We present the first comprehensive market review eva... » read more

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