Intel recently finished its barrage of CPU microcode updates designed to combat the nasty Spectre variant 2 exploit, and today, AMD revealed its plans to protect PCs against the flaw. (AMD processors aren’t vulnerable to Meltdown.) AMD’s announcement, penned by chief technical officer Mark Papermaster, released alongside Microsoft’s monthly “Patch Tuesday” update and showcases how complex plugging Meltdown and Spectre’s security holes can be.

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