Today’s devices have been secured against innumerable software attacks, but a new exploit called Plundervolt uses distinctly physical means to compromise a chip’s security. By fiddling with the actual amount of electricity being fed to the chip, an attacker can trick it into giving up its innermost secrets. It should be noted at the outset that while this is not a flaw on the scale of Meltdown or Spectre, it is a powerful and unique one and may lead to changes in how chips are designed. There are two important things to know in order to understand how Plundervolt works. The first is simply that chips these days have very precise and complex rules as to how much power they draw at any given time.

Topics:  intel s   sgx    kernel   meltdown   hidden    model-specific registers    modern   the plundervolt   bios   intel    plundervolt     u.k     s university   birmingham   graz university   technology   austria   ku leuven   belgium   ieee s&p   spectre   plundervolt    plundervolt   os   chip   security   system   important   researchers   attacks   means   power   enclave   called   exploit   tweak   increased   processes   updates   time   control   device   discovered   trick   voltage   attacker   giving   scale   amount   inaccessible   secure   part   computer   place   whack   area   issues   full   malfunction   carefully   task   exact   access   aware   kind   
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