✨ [SEC-26590] Update SIEM overview image (#33187)

* fix: update SIEM overview image

* fix: add new image

Author: dmartmont

content/en/security/_index.md

@@ -101,7 +101,7 @@ To learn more, check out the [30-second Product Guided Tour][14].
 
 [Cloud SIEM][4] (Security Information and Event Management) detects real-time threats to your application and infrastructure, like a targeted attack, an IP communicating with your systems which matches a threat intel list, or an insecure configuration. Cloud SIEM is powered by [Datadog Log Management][5]. With these areas combined, you can [automate remediation of threats detected by Datadog Cloud SIEM][6] to speed up your threat-response workflow. Check out the dedicated [Guided Tour](https://www.datadoghq.com/guided-tour/security/cloud-siem/) to see more.
 
-{{< img src="security/security_monitoring/cloud_siem_overview_2.png" alt="The Cloud SIEM home page showing the Security Overview section with widgets for important signals, suspicious actors, impacted resources, threat intel, and signal trends" width="100%">}}
+{{< img src="security/security_monitoring/cloud_siem_overview_2025.png" alt="The Cloud SIEM home page showing the Security Overview section with widgets for important signals, suspicious actors, impacted resources, threat intel, and signal trends" width="100%">}}
 
 ## Code Security