Intel’s SGX blown wide open by, you guessed it, a speculative execution attack

Foreshadow explained in a video. Another day, another speculative execution-based attack. Data protected by Intel’s SGX—data that’s meant to be protected even from a malicious or hacked kernel—can be read by an attacker thanks to leaks enabled by speculative execution. Since publication of the Spectre and Meltdown attacks in January this year, security researchers have been taking a close look at speculative...

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