New IPs have been added to the portal access and SIEM agent connection sections in the Microsoft Defender for Cloud Apps network requirements.
[When this will happen:]
Available now.
[How this will affect your organization:]
We recently added new IPs to the portal access and SIEM agent connection sections in the Microsoft Defender for Cloud Apps network requirements page: Network requirements. To ensure unaffected work with Microsoft Defender for Cloud apps please take the time to allow the new IPs. These IPs will start serving customers in 30 days from now.
[What you need to do to prepare:]
Please take the time to allow the new IPs as detailed in portal access and SIEM agent connection sections in Network requirements page.