Microsoft has quietly updated the Defender package that should be injected into Windows installation images (WIM/VHD/ISO) used for fresh installs and deployments, delivering a new antimalware platform, engine, and security intelligence snapshot intended to close the “first‑boot” protection gap...
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image servicing
image servicing automation
install media
offline deployment
offlineupdates
security hygiene
windows defender
windows imaging
windows install images