Adding changelog for new CASB AI integrations

src/content/changelog/casb/2025-08-26-casb-ai-integrations.mdx

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+---
+title: New CASB integrations for ChatGPT, Claude, and Gemini
+description: Cloudflare CASB now scans ChatGPT, Claude, and Gemini for misconfigurations, sensitive data exposure, and compliance issues, helping organizations adopt AI with confidence.
+products:
+  - casb
+date: 2025-08-26 16:00:00 UTC
+---
+
+[Cloudflare CASB](https://www.cloudflare.com/zero-trust/products/casb/) now supports three of the most widely used GenAI platforms — **OpenAI ChatGPT**, **Anthropic Claude**, and **Google Gemini**. These API-based integrations give security teams agentless visibility into posture, data, and compliance risks across their organization’s use of generative AI.
+
+![Cloudflare CASB showing selection of new findings for ChatGPT, Claude, and Gemini integrations.](~/assets/images/casb/changelog/casb-ai-integrations-preview.png)
+
+### Key capabilities
+- **Agentless connections** — connect ChatGPT, Claude, and Gemini tenants via API; no endpoint software required  
+- **Posture management** — detect insecure settings and misconfigurations that could lead to data exposure  
+- **DLP detection** — identify sensitive data in uploaded chat attachments or files  
+- **GenAI-specific insights** — surface risks unique to each provider’s capabilities  
+
+### Learn more
+- [ChatGPT integration docs](https://developers.cloudflare.com/cloudflare-one/applications/casb/casb-integrations/openai/)  
+- [Claude integration docs](https://developers.cloudflare.com/cloudflare-one/applications/casb/casb-integrations/anthropic/)  
+- [Gemini integration docs](https://developers.cloudflare.com/cloudflare-one/applications/casb/casb-integrations/google-workspace/gemini/)  
+
+These integrations are available to all Cloudflare One customers today.
+