Update LDAP query events and add Identity Guide Tour

Author: rlitinsky

ATPDocs/whats-new.md

@@ -25,7 +25,9 @@ For updates about versions and features released six months ago or earlier, see
 ## March 2025
 
 ### New LDAP query events added to the IdentityQueryEvents table in Advanced Hunting
-New LDAP query events will be added to the `IdentityQueryEvents` table in Advanced Hunting to provide more visibility into additional LDAP search queries running in the customer environment.
+New LDAP query events will be added by March 6th to the `IdentityQueryEvents` table in Advanced Hunting to provide more visibility into additional LDAP search queries running in the customer environment.
+This update may lead to an increase in activity within the Advanced Hunting IdentityQueryEvents table for LDAP queries. If you have custom detections related to these queries, you may see a higher number of triggered alerts.
+We recommend that you review your existing custom detections to ensure they align with your objectives. If needed, you can adjust your query accordingly.
 
 ## February 2025
 
@@ -72,6 +74,11 @@ We have added and updated the following events in the `IdentityDirectoryEvents`
 
 Additionally, the **built-in schema reference** for Advanced Hunting in Microsoft Defender XDR has been updated to include detailed information on all supported event types (**`ActionType`** values) in identity-related tables, ensuring complete visibility into available events. For more information, see [Advanced hunting schema details](/defender-xdr/advanced-hunting-schema-tables).
 
+## January 2024
+
+### New Identity Guide Tour
+We've added an interactive guide tour to help navigating identity security features, investigate alerts, and enhance your security posture with ease.
+
 ## December 2024
 
 ### New security posture assessment: Prevent Certificate Enrollment with arbitrary Application Policies (ESC15)