Managing Microsoft 365 Copilot & Third-Party Generative AI Usage with Purview and Defender Nikki Chapple | MVP
About Me Nikki Chapple Expert in Microsoft 365 & Purview NikkiChapple.com All Things M365 Compliance Video Podcast
Agenda • How do we assess which Gen AI Apps are risky? • How can we find out what Gen AI Apps are used? • How can we block access to unwanted Gen AI apps? • How do we keep track of new Gen AI Apps? Part A Defender for Cloud Apps • How can I track our Gen AI Usage? • Can I see what sensitive data is shared with Gen AI Apps? • Can I see who is using which Gen AI App and for what purpose? Part B Data Security Management for AI
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Defender for Cloud Apps
How do we assess which Gen AI Apps are risky? Defender for Cloud Apps > Cloud App Catalog
View Gen AI App Catalog 1123 Apps
Assess the risk of an App
How can we find out what Gen AI Apps are used? Defender for Cloud Apps > Cloud Discovery
Discover what Gen Ai Apps are being used
How can we block access to unwanted Gen AI apps?
Sync Unsanctioned Apps to Defender for Endpoint
Block URLs on Managed Devices
Get Notified of New apps
How do we keep track of new Gen AI Apps? Defender for Cloud Apps > Policy Management
Data Security Posture Management for AI
Prerequisites Audit enabled Devices onboarded Purview Extension deployed Licensing E5 Compliance Copilot licenses not required Configuration eDLP Polices IRM policies (optional) RBAC Compliance Admin – configure policies Security reader – view IRM – view Risky user info Set Up
How can I track our Gen AI Usage? Data Security Posture Management for AI
View Copilot Usage
View 3rd Party Gen AI Usage
Current list 457 domains
Can I see what sensitive data is shared with Gen AI Apps?
View your custom SITs Track Sensitive data
Track labelled data
Track Insider Risk
Can I see who is using which Gen AI App and for what purpose? DSPM for AI > Activity Explorer
View Copilot Prompt & Response
Who is accessing which App
View DLP Triggers
Summary
Summary • How to assess which Gen AI Apps are risky • How to find out what Gen AI Apps are used • How to block access to unwanted Gen AI apps • How to keep track of new Gen AI Apps Part A Defender for Cloud Apps • How to track our Gen AI Usage • See what sensitive data is shared with Gen AI Apps • See who is using which Gen AI App and for what purpose Part B Data Security Management for AI
Nikki Chapple
Thank you to this year’s Sponsors

Managing Microsoft 365 Copilot and Third-Party Generative AI: Securing Data, Monitoring Usage, and Mitigating Risks with Purview and Defender