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MIT CSAIL scientists have created a PACMAN attack methodology that leverages both software and hardware attacks to steal data from Arm-based processors, including the Apple M1.
A future powered by sustainable energy sources could save the world from devastating climate change and reduce energy bills. But renewable energy has an intermittency problem — the sun provides no power at night, while winds can stop suddenly.In addi
iTWire Monday, 03 May 2021 11:05 US researchers find flaw affecting processors made since 2011 Shares Ashish Venkat: "We show how an attacker can smuggle secrets through the micro-op cache by using it as a covert channel.” Supplied Researchers at the University of Virginia School of Engineering computer science department have discovered vulnerabilities earlier in the speculative execution chain of a processor than the Spectre flaw which was made public in January 2018. Spectre can trick vulnerable applications into leaking the contents of their memory. The UVA team fo...
By Juha Saarinen on May 2, 2021 6:03AM Billions of computers vulnerable. Researchers at the universities of Virginia and California in the United States have devised new Spectre-style hardware attacks that make it possible to steal data when processors fetch commands from their micro-ops caches. The new vulnerability affects billions of computers and other devices worldwide, and the researchers say it will be much harder to fix than the speculative execution flaws discovered over the last few years. In their paper, I see dead µops: leaking secrets...