689Cloud SecureMail vs Matters External Data Risk Mgmt: Side-by-Side Comparison (2026)

689Cloud SecureMail: Gmail & Outlook add-in securing email attachments via IRM technology. built by 689Cloud. Core capabilities include IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files..

Matters External Data Risk Mgmt: Real-time DLP that blocks sensitive data exfiltration via eBPF monitoring. built by Matters. Core capabilities include Real-time inspection of outbound data flows at the process level using eBPF, Automatic blocking of unauthorized or high-risk data transfers before data leaves the device, Contextual and semantic analysis to assess what data is moving and whether it violates policy..

Both serve the Secure File Sharing market but differ in approach, feature depth, and target audience.

689Cloud SecureMail differentiates with IRM-based email attachment protection via secure links, View-only and downloadable access modes, Remote access revocation for downloaded files. Matters External Data Risk Mgmt differentiates with Real-time inspection of outbound data flows at the process level using eBPF, Automatic blocking of unauthorized or high-risk data transfers before data leaves the device, Contextual and semantic analysis to assess what data is moving and whether it violates policy.

689Cloud SecureMail is developed by 689Cloud. Matters External Data Risk Mgmt is developed by Matters. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

689Cloud SecureMail and Matters External Data Risk Mgmt serve similar Secure File Sharing use cases. Review the feature comparison above to determine which fits your requirements.