Merge pull request #269301 from MGoedtel/task231338

updated aks concepts-security.md

Author: prmerger-automator[bot]

articles/aks/concepts-security.md

@@ -4,7 +4,7 @@ description: Learn about security in Azure Kubernetes Service (AKS), including m
 author: miwithro
 ms.topic: conceptual
 ms.custom: build-2023
-ms.date: 01/11/2024
+ms.date: 03/18/2024
 ms.author: miwithro
 ---
 
@@ -56,6 +56,8 @@ When an AKS cluster is created or scaled up, the nodes are automatically deploye
 
 For more information about the security upgrade process for Linux and Windows worker nodes, see [Security patching nodes][aks-vulnerability-management-nodes].
 
+AKS clusters running Azure Generation 2 VMs includes support for [Trusted Launch][trusted-launch] (preview), which protects against advanced and persistent attack techniques by combining technologies that can be independently enabled, like secure boot and virtualized version of trusted platform module (vTPM). Administrators can deploy AKS worker nodes with verified and signed bootloaders, OS kernels, and drivers to ensure integrity of the entire boot chain of the underlying VM.
+
 ### Node authorization
 
 Node authorization is a special-purpose authorization mode that specifically authorizes kubelet API requests to protect against East-West attacks.  Node authorization is enabled by default on AKS 1.24 + clusters.
@@ -160,3 +162,4 @@ For more information on core Kubernetes and AKS concepts, see:
 [microsoft-vulnerability-management-aks]: concepts-vulnerability-management.md
 [aks-vulnerability-management-nodes]: concepts-vulnerability-management.md#worker-nodes
 [manage-ssh-access]: manage-ssh-node-access.md
+[trusted-launch]: use-trusted-launch.md