1Security Microsoft Copilot Security vs archTIS Kojensi: 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..

archTIS Kojensi: Accredited MLS classified file sharing & collaboration platform for defence/govt. built by archTIS. Core capabilities include Attribute-based access control (ABAC) for file-level permissions by classification, organisation, and country, Compartmentalised workspaces (Communities of Interest) for multi-organisation collaboration, Real-time co-authoring of documents, spreadsheets, and presentations..

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. archTIS Kojensi differentiates with Attribute-based access control (ABAC) for file-level permissions by classification, organisation, and country, Compartmentalised workspaces (Communities of Interest) for multi-organisation collaboration, Real-time co-authoring of documents, spreadsheets, and presentations.

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

1Security Microsoft Copilot Security and archTIS Kojensi 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.