added release note

Author: DeCohen

CloudAppSecurityDocs/network-requirements.md

@@ -34,7 +34,9 @@ To see which data center you're connecting to, do the following steps:
 
 ## Portal access
 
-To use Defender for Cloud Apps in the Microsoft Defender Portal, add **outbound port 443** for the following IP addresses and DNS names to your firewall's allowlist:
+To use Defender for Cloud Apps in the Microsoft Defender Portal:
+
+1. Add **outbound port 443** for the following IP addresses and DNS names to your firewall's allowlist:
 
 ```ini
 cdn.cloudappsecurity.com
@@ -48,7 +50,7 @@ static2.sharepointonline.com
 *.blob.core.windows.net
 ```
 
-Additionally, the following items should be allowed, depending on which data center you use:
+1. Allow the following items based on your data center:
 
 |Data center|IP addresses|DNS name|
 |----|----|----|

CloudAppSecurityDocs/release-notes.md

@@ -1,7 +1,7 @@
 ---
 title: What's new | Microsoft Defender for Cloud Apps
 description: This article is updated frequently to let you know what's new in the latest release of Microsoft Defender for Cloud Apps.
-ms.date: 11/19/2024
+ms.date: 02/20/2025
 ms.topic: overview
 ---
 
@@ -19,6 +19,51 @@ For more information on what's new with other Microsoft Defender security produc
 
 For news about earlier releases, see [Archive of past updates for Microsoft Defender for Cloud Apps](release-note-archive.md).
 
+
+## February 2025
+
+### Enhanced alert source accuracy
+
+Microsoft Defender for Cloud Apps is enhancing its alert sources to deliver more precise information. This update, applicable to new alerts only, will be reflected across various experiences and APIs, including the Defender XDR portal, Advanced hunting, and Graph API.   
+The goal is to improve the accuracy of alert origins, facilitating better identification, management, and response to alerts.
+
+To learn more about the different alert sources in Defender XDR see the _Alert sources_ section of [Investigate alerts in Microsoft Defender XDR - Microsoft Defender XDR | Microsoft Learn](/defender-xdr/investigate-alerts?tabs=settings)
+
+To learn more about the Graph API alert resource: [alert resource type - Microsoft Graph v1.0 | Microsoft Learn](/graph/api/resources/security-alert?view=graph-rest-1.0)
+
+### Network requirement updates
+Microsoft Defender for Cloud Apps has improved its security and performance. Network information in firewalls and additional third-party services must be updated to comply with the new standards. To ensure uninterrupted access to our services you must apply these changes by March 16, 2025.
+
+To connect to third-party apps and enable Defender for Cloud Apps, use the following IP addresses:
+|Data center|IP addresses|DNS name|
+|----|----|----|
+|US1|13.64.26.88, 13.64.29.32, 13.80.125.22, 13.91.91.243, 40.74.1.235, 40.74.6.204, 51.143.58.207, 52.137.89.147, 52.183.75.62, 23.101.201.123, 20.228.186.154|\*.us.portal.cloudappsecurity.com|
+|US2|13.80.125.22, 20.36.222.59, 20.36.222.60, 40.74.1.235, 40.74.6.204, 51.143.58.207, 52.137.89.147, 52.183.75.62, 52.184.165.82, 20.15.114.156, 172.202.90.196|\*.us2.portal.cloudappsecurity.com|
+|US3|13.80.125.22, 40.74.1.235, 40.74.6.204, 40.90.218.196, 40.90.218.198, 51.143.58.207, 52.137.89.147, 52.183.75.62, 20.3.226.231, 4.255.218.227|*.us3.portal.cloudappsecurity.com|
+|EU1|13.80.125.22, 40.74.1.235, 40.74.6.204, 40.119.154.72, 51.143.58.207, 52.137.89.147, 52.157.238.58, 52.174.56.180, 52.183.75.62, 20.71.203.39, 137.116.224.49|\*.eu.portal.cloudappsecurity.com|
+|EU2|13.80.125.22, 40.74.1.235, 40.74.6.204, 40.81.156.154, 40.81.156.156, 51.143.58.207, 52.137.89.147, 52.183.75.62, 20.0.210.84, 20.90.9.64|*.eu2.portal.cloudappsecurity.com|
+|Gov US1|13.72.19.4, 52.227.143.223|*.us1.portal.cloudappsecurity.us|
+|GCC| 52.227.23.181, 52.227.180.126| *.us1.portal.cloudappsecuritygov.com |
+
+
+For **US Government GCC High** customers:
+
+||IP addresses|DNS name|
+|----|----|----|
+|**Session controls**|US Gov Arizona: 52.244.144.65, 52.244.43.90, 52.244.43.225, 52.244.215.117, 52.235.134.195, 52.126.54.167, 52.126.55.65 <br /><br />US Gov Virginia: 13.72.27.223, 13.72.27.219, 13.72.27.220, 13.72.27.222, 20.141.230.137, 52.235.179.167, 52.235.184.112|\*.mcas-gov.us<br/>\*.admin-mcas-gov.us|
+|**Access controls**|US Gov Arizona: 52.244.215.83, 52.244.212.197, 52.127.2.97, 52.126.54.254, 52.126.55.65 <br /><br />US Gov Virginia: 13.72.27.216, 13.72.27.215, 52.127.50.130, 52.235.179.123, 52.245.252.18, 52.245.252.131, 52.245.252.191, 52.245.253.12, 52.245.253.58, 52.245.253.229, 52.245.254.39, 52.245.254.51, 52.245.254.212, 52.245.254.245, 52.235.184.112, 52.235.184.112|\*.access.mcas-gov.us<br/>\*.access.cloudappsecurity.us|
+|**SAML proxy**|US Gov Arizona: 20.140.49.129, 52.126.55.65<br /><br />US Gov Virginia: 52.227.216.80, 52.235.184.112|\*.saml.cloudappsecurity.us|
+
+For **US Government GCC** customers:
+
+||IP addresses|DNS name|
+|----|----|----|
+|**Session controls**|US Gov Arizona: 52.235.147.86, 52.126.49.55, 52.126.48.233 <br /><br /> US Gov Virginia: 52.245.225.0, 52.245.224.229, 52.245.224.234, 52.245.224.228, 20.141.230.215, 52.227.10.254, 52.126.48.233, 52.227.3.207 | \*.mcas-gov.ms<br/>\*.admin-mcas-gov.ms|
+|**Access controls** |US Gov Arizona: 52.127.2.97, 52.235.143.220, 52.126.48.233 <br /><br />US Gov Virginia: 52.245.224.235, 52.245.224.227, 52.127.50.130, 52.245.222.168, 52.245.222.172, 52.245.222.180, 52.245.222.209, 52.245.223.38, 52.245.223.72, 52.245.223.177, 52.245.223.181, 52.245.223.182, 52.245.223.190, 23.97.12.140, 52.227.3.207  | \*.access.mcas-gov.ms|
+|**SAML proxy** |US Gov Arizona: 52.126.48.233 <br /> US Gov Virginia: 52.227.216.80, 52.126.48.233, 52.227.3.207 | \*.saml.cloudappsecuritygov.com|
+
+For more information, see [Network requirements - Microsoft Defender for Cloud Apps](https://learn.microsoft.com/en-us/defender-cloud-apps/network-requirements#portal-access) 
+
 ## November 2024
 
 ### Internal Session Controls application notice