1Security Microsoft Copilot Security vs Cognni Ness: 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..

Cognni Ness: Autonomous info security tool for monitoring data risks and sharing behaviors. built by Cognni. Core capabilities include Centralized view of data risks and exposures across the organization, Autonomous operation with no user involvement required, Detection and distinction between legitimate and risky sharing behaviors..

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. Cognni Ness differentiates with Centralized view of data risks and exposures across the organization, Autonomous operation with no user involvement required, Detection and distinction between legitimate and risky sharing behaviors.

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

1Security Microsoft Copilot Security and Cognni Ness serve similar Data Security Posture Management use cases: both are Data Security Posture Management tools. Key differences: 1Security Microsoft Copilot Security is Commercial while Cognni Ness is Free. Review the feature comparison above to determine which fits your requirements.