trusted launch

  1. In-Place Trusted Launch Upgrades for Azure VMs and VMSS: Prereqs, Rollout, Risks

    Microsoft has started letting organizations turn on Trusted Launch for many existing Azure virtual machines and scale sets without rebuilding images or redeploying workloads — a move that lowers the operational bar for platform-rooted boot security while introducing a set of important...
  2. Trusted Launch in Azure: In-Place Upgrades for Secure Boot and vTPM

    Microsoft’s recent push to make Trusted Launch easier to adopt across Azure virtual infrastructure is a practical — and overdue — step toward raising the cloud security baseline for many organizations, but the rollout contains important caveats that IT teams must understand before flipping the...
  3. OS Guard on Azure Linux: Immutable, Signed Container Hosts

    Microsoft’s recent push to harden Azure Linux with a new “OS Guard” capability marks a notable shift in how cloud providers are thinking about host-level protections for container workloads, combining run‑time immutability, code integrity checks, and mandatory access control into an opinionated...
  4. Enable Trusted Launch in-Place for Azure VMs: Secure Boot and vTPM

    Microsoft has quietly made one of the most practical security upgrades for Azure virtual infrastructure far easier to adopt: Trusted Launch can now be enabled in-place for many existing VMs and scale sets, reducing the migration friction that has kept foundational boot security from reaching...
  5. Microsoft July 2025 Patch Causes Azure VM Boot Failures & How to Fix Them

    Microsoft's July 2025 Patch Tuesday update, intended to enhance security across its platforms, inadvertently caused boot failures in certain Azure Virtual Machines (VMs). This issue primarily affected configurations where Trusted Launch was disabled and Virtualization-Based Security (VBS) was...
  6. Microsoft Patch Tuesday Crisis: VBS Bug Causes Azure VM Boot Failures and Emergency Fixes

    Microsoft’s latest Patch Tuesday update triggered an unexpected and critical issue for Azure users relying on Virtualisation-Based Security (VBS)—a bug that ultimately prevented certain virtual machines (VMs) from launching at all. In a twist that stymied both IT administrators and cloud...
  7. Azure VM Boot Failures After Windows KB5062553 Update and Rapid Out-of-Band Fix

    When Microsoft rolled out the KB5062553 update for Windows earlier this month, IT administrators and Azure customers were initially focused on the various security and stability improvements officially documented in the release notes. However, beneath its routine Patch Tuesday status, KB5062553...
  8. Microsoft Releases Emergency KB5064489 Update to Fix Azure VM Startup Issues

    Microsoft has recently released an out-of-band (OOB) update, KB5064489, to address a critical issue affecting Azure Virtual Machines (VMs) running Windows Server 2025 and Windows 11 24H2. This emergency patch resolves a bug that prevented certain VMs from launching when Virtualization-Based...