1Security Microsoft Copilot Security vs Enveil ZeroReveal: 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..

Enveil ZeroReveal: PET suite for encrypted search and ML across data boundaries. built by Enveil. Core capabilities include Encrypted search and watchlisting via homomorphic encryption, Encrypted ML model training using Secure Multiparty Computation (SMPC), Encrypted ML model evaluation and inference..

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. Enveil ZeroReveal differentiates with Encrypted search and watchlisting via homomorphic encryption, Encrypted ML model training using Secure Multiparty Computation (SMPC), Encrypted ML model evaluation and inference.

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

1Security Microsoft Copilot Security and Enveil ZeroReveal 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.