1Security Microsoft Copilot Security vs Arexdata DSPM: Side-by-Side Comparison (2026)

1Security Microsoft Copilot Security: Monitors and controls Microsoft Copilot data access and oversharing risks in M365. built by 1Security. Core capabilities include AI Data Visibility Dashboard mapping all files and SharePoint sites Copilot can access via Microsoft Graph, Oversharing Detection identifying files and folders with excessive permissions risking data leaks, Sensitivity Label Analysis auditing Microsoft Purview labels to prevent unauthorized AI access..

Arexdata DSPM: DSPM platform for file auditing, permissions, data classification & tracking. built by Arexdata. Core capabilities include File activity auditing and forensic audit trail, Centralized file event registration and reporting, Real-time permission management and permit audit trail..

Both serve the Data Security Posture Management market but differ in approach, feature depth, and target audience.

1Security Microsoft Copilot Security differentiates with AI Data Visibility Dashboard mapping all files and SharePoint sites Copilot can access via Microsoft Graph, Oversharing Detection identifying files and folders with excessive permissions risking data leaks, Sensitivity Label Analysis auditing Microsoft Purview labels to prevent unauthorized AI access. Arexdata DSPM differentiates with File activity auditing and forensic audit trail, Centralized file event registration and reporting, Real-time permission management and permit audit trail.

1Security Microsoft Copilot Security is developed by 1Security. Arexdata DSPM is developed by Arexdata. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1Security Microsoft Copilot Security integrates with Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Microsoft Purview, Microsoft Teams and 5 more. Arexdata DSPM integrates with Office 365, SharePoint, OneDrive, Google Docs. Check integration compatibility with your existing security stack before deciding.

1Security Microsoft Copilot Security and Arexdata DSPM serve similar Data Security Posture Management use cases: both are Data Security Posture Management tools. Review the feature comparison above to determine which fits your requirements.