Security Copilot Now Included in Microsoft 365 E5

Microsoft is rolling out Security Copilot to all Microsoft 365 E5 customers at no additional cost, addressing one of the key enterprise adoption barriers.

Security Copilot Metrics

  • 1.6M security customers
  • 1M+ customers using 4+ security workloads
  • 24B Purview-audited interactions
  • +9X year-over-year growth

Addressing Enterprise Concerns

The bundling strategy directly addresses a major adoption challenge: approximately 50% of IT leaders lack confidence in managing AI security and access.

Security Copilot integration with SharePoint Advanced Management provides unified governance and identity controls across cloud environments.

Bundling Strategy

This follows Microsoft’s October 2025 move to bundle Sales, Service, and Finance Copilots at no additional cost. The company also introduced a new $21 Copilot Business tier—30% below the standard $30/user price point.

Agent 365 Control Plane

Security Copilot is part of Microsoft’s broader Agent 365 initiative—a cross-cloud agent control plane extending M365 and Azure governance to agents across any cloud environment.


For a deeper strategic analysis, read Microsoft In The AI Stack on The Business Engineer.

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