How to Check if Your PC Is Protected Against Meltdown and Spectre

Warning: Even if you’ve installed patches from Windows Update, your PC may not completely protected from the Meltdown and Spectre CPU flaws. Here’s how to check if you’re fully protected, and what to do if you aren’t.


Microsoft Says Security Patches Slowing Down PCs, Servers

Microsoft Corp said on Tuesday the patches released to guard against Meltdown and Spectre security threats slowed down some personal computers and servers, with systems running on older Intel Corp processors seeing a noticeable decrease in performance.

The security updates also froze some computers running AMD chipsets, Microsoft said in a blog post, citing customer complaints.


Understanding The Performance Impact Of Spectre And Meltdown Mitigations On Windows Systems

TERRY MYERSON
Executive Vice President, Windows and Devices Group

Last week the technology industry and many of our customers learned of new vulnerabilities in the hardware chips that power phones, PCs and servers. We (and others in the industry) had learned of this vulnerability under nondisclosure agreement several months ago and immediately began developing engineering mitigations and updating our cloud infrastructure. In this blog, I’ll describe the discovered vulnerabilities as clearly as I can, discuss what customers can do to help keep themselves safe, and share what we’ve learned so far about performance impacts.

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