("viirastus"; tegelikult tuleneb nimetus terminist speculative execution)

olemus
(a) turvaauk spekulatiivtäimist rakendavate mikroprotsessorite hargnemismehhanismis
= a vulnerability in the branching mechanism of microprocessors implementing speculative execution
https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5754

(b) selle turvaaugu rünne
= exploit of this vulnerability
https://spectreattack.com/spectre.pdf
https://meltdownattack.com/
https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/05/spectre-attacks-come-back-from-the-dead/
https://thehackernews.com/2018/01/meltdown-spectre-patches.html
https://cacm.acm.org/magazines/2020/7/245682-spectre-attacks/fulltext