The OpenBSD project announced today plans to disable support for Intel CPU hyper-threading due to security concerns regarding the theoretical threat of more "Spectre-class bugs." Hyper-threading (HT) ...

HyperThreading (a.k.a., Hyper-Threading or hyperthreading) is part of Intel's processor technology that essentially allows a CPU to work on multiple streams of data simultaneously, improving ...

Has Intel's Hyper-Threading support become a fundamental security problem? Theo de Raadt, founder of OpenBSD, argues that it has. Share on Facebook (opens in a new window) Share on X (opens in a new ...

Intel has shipped Hyper-Threading CPUs for well over a decade, even subtracting the Core 2 era when the technology wasn't used. For most of that time, Hyper-Threading has been a technology that 'just ...

Unfortunately, disabling hyper threading seems to be the most reasonable option on modern systems. The Intel processors in them can not be trusted to maintain isolation between processes otherwise, ...