Update attack-simulation-training-training-modules.md

Updating the documentation to account for upcoming deprecation of SANS training content (12 modules that form part of SANS training content).

Author: VipulMSFT

defender-office-365/attack-simulation-training-training-modules.md

@@ -24,6 +24,20 @@ appliesto:
 In Attack simulation training in Microsoft 365 E5 or Microsoft Defender for Office 365 Plan 2, you select one or more Training modules to include in Training campaigns that you create and assign to users. For more information about Training campaigns, see [Training campaigns in Attack simulation training](attack-simulation-training-training-campaigns.md).
 
 To see the available Training modules, open the Microsoft Defender portal at <https://security.microsoft.com>, go to **Email & collaboration** \> **Attack simulation training** \> **Content library** tab \> and then select **Training modules**. Or, to go directly to the **Content library** tab where you can select **Training modules**, use <https://security.microsoft.com/attacksimulator?viewid=contentlibrary>.
+> [!IMPORTANT]
+> The following 12 modules will be retired from the training catalog by August 20, 2025. Admins will no longer be able to assign these trainings after August 20, 2025. 
+>
+> - Security Essentials for IT Administrators 01: Introduction and Overview
+> - Security Essentials for IT Administrators 02: Core Principles of Cyber Security
+> - Security Essentials for IT Administrators 03: Security Program Management
+> - Security Essentials for IT Administrators 04: Security Maintenance and Hygiene
+> - Security Essentials for IT Administrators 05: Authentication and Authorization
+> - Security Essentials for IT Administrators 06: Data Protection
+> - Security Essentials for IT Administrators 07: Sample Attacks
+> - Security Essentials for IT Administrators 08: Attack Scenario
+> - Security Essentials for IT Administrators 10: Securing Cloud Computing Environments
+> - Security Essentials for IT Administrators 11: Securing Web Servers
+> - Security Essentials for IT Administrators 12: Attack Case Study, Supply Chain Attacks
 
 > [!TIP]
 > The following training modules for QR codes are available: