1Security Microsoft Copilot Security vs Atakama: 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..

Atakama: File-level encryption platform using distributed key mgmt and AES-256. built by Atakama. Core capabilities include Policy-based AES-256 file encryption without passwords, Distributed key management via key shards across devices and Key Shard Server (KSS), Mobile device-based decryption approval with session support..

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. Atakama differentiates with Policy-based AES-256 file encryption without passwords, Distributed key management via key shards across devices and Key Shard Server (KSS), Mobile device-based decryption approval with session support.

1Security Microsoft Copilot Security is developed by 1Security. Atakama is developed by Atakama. 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. Atakama integrates with Email, Microsoft Teams, Slack. Check integration compatibility with your existing security stack before deciding.

1Security Microsoft Copilot Security and Atakama 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.