Hyperthreading under scrutiny with new TLBleed crypto key leak
Enlarge / A shiny wafer full of Kaby Lake refresh parts. (credit: Intel) Last week, developers on OpenBSD—the open source operating system that prioritizes security—disabled hyperthreading on Intel processors. Project leader Theo de Raadt said that a research paper due to be presented at Black Hat in August prompted the change, but he would not elaborate further. The situation has since become a little clearer. The...