Thursday , 19 July 2018
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InSpectre: See whether your PC’s protected from Meltdown and Spectre

If you’re wondering whether your computer is susceptible to the latest bête noir, Meltdown and Spectre, you can take the official Microsoft patch and, after a suitable amount of technical drudgery, come away with a result that doesn’t answer much. Or you can try Steve Gibson’s new InSpectre and – with suitable caveats – see some meaningful results and a few hints about catching up.

Microsoft has a complex PowerShell script that details your machine’s exposure to the Meltdown and Spectre security flaws. Running that script on all but the simplest and most up-to-date systems turns into a hair-pulling exercise, and the results are coated in 10 layers of technical gobbledygook.

Here’s what I mean. I just ran version 1.0.4 of the SpeculationControl Validation PowerShell script on my main computer and, after crossing my fingers and allowing “software from this untrusted publisher” to run, came up with the enlightening analysis shown in the screenshot below.

SpeculationControl Validation PowerShell scriptMicrosoft

Microsoft’s SpeculationControl Validation PowerShell script results aren’t exactly easy to decipher.

I’m loathe to install any Windows updates right now, given their current dicey state, and my go-to production machine has an AMD processor. That combo produces a SpeculationControl rating that’s 100% bad.

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