airgapped

  1. Secure Boot Certificate Rollout for Windows: 2011 to 2023 CA Transition

    Microsoft’s guidance on Secure Boot key creation and management is an urgent operational playbook for every Windows administrator: a coordinated certificate rollover is underway that replaces legacy 2011 UEFI/CA trust anchors with new 2023 CA families, and failure to prepare — especially on...
  2. Manual Defender Updates on Windows 11: Safe, Scalable Admin Guide

    Windows 11’s built‑in antivirus, Microsoft Defender, is normally updated automatically through Windows Update — but when that pipeline falters, administrators and power users must know how to update Defender manually, safely, and at scale to avoid windows of exposure that attackers will happily...