The Defender deployment tool for Windows now ships as a single .exe with the onboarding package baked in, with configurable expiry dates, a required portal key to activate it, and onboarding event logs visible in the device timeline — replacing the old script/blob approach. The previous tool gave no clear status feedback, leaving admins unable to tell if onboarding was in progress or had failed.
Source :
4sysops
Microsoft has started automatically updating Secure Boot certificates on eligible Windows 11 systems with the January 2026 security update. The update replaces certificates that are set to expire in June and October 2026, ensuring devices maintain boot security and continue receiving critical updates. Learn what admins need to know.
Source :
4sysops
