1Security Microsoft Copilot Security vs Stoffel: 2026 Comparison

1Security Microsoft Copilot Security: Monitors and controls Microsoft Copilot data access and oversharing risks in M365. built by 1Security. headquartered in Poland. 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..

Stoffel: Privacy-first app dev platform using MPC to compute on encrypted data. built by Stoffel. headquartered in United Kingdom. Core capabilities include Secure multi-party computation for encrypted data processing, Stoffel-Lang domain-specific language for privacy-preserving logic, StoffelVM runtime for executing computations on encrypted inputs..

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