Ben Hawkes from Google Project Zero has an excellent blog post on Intel CPU Microcode: http://www.inertiawar.com/microcode/ http://www.inertiawar.com/microcode

Ben Hawkes from Google Project Zero has an excellent blog post on Intel CPU Microcode: http://www.inertiawar.com/microcode/ http://www.inertiawar.com/microcode/ He even extracted and posted the RSA public keys used to verify the microcode. Though he later removed them, they're still available on the internet archive: https://web.archive.org/web/20140403200048/http://inertiawar.com/microcode/microcode_rsa_modulus.txt https://web.archive.org/web/20140403200048/http://inertiawar...