Your Windows PC needs this patch to ward off nasty bootkit malware - update now

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ZDNET's key takeaways

• Secure Boot protects your PC against bootkit malware.
• The Windows update refreshes expiring Secure Boot certificates.
• To install, head to Settings and select Windows Update.

I typically advise Windows users to install each new monthly Patch Tuesday update for the security fixes alone. But the January update is one you'll especially want to snag. That's because it will keep your PC protected against a nasty form of malware.

Bootkit malware aims to infect your PC before Windows and your security software even load. To guard against these threats, Secure Boot is a security feature that relies on certificates to ensure that only trusted programs kick off during the boot process. Now, those certificates are soon to expire. And that's where the latest Windows update comes into ...