689Cloud SecureDrive vs ManTech EchoMark: Side-by-Side Comparison (2026)

689Cloud SecureDrive: Cloud file sharing platform with built-in IRM for enterprise doc security. built by 689Cloud. Core capabilities include Built-in Information Rights Management (IRM), Remote access revocation (including post-download), Copy protection and screen capture blocking for Microsoft Office documents..

ManTech EchoMark: Prevents data leaks using invisible watermarks and visible cues in emails/docs. built by EchoMark. Core capabilities include Invisible watermark embedding in emails and documents, Visible footnote insertion for recipient awareness, Leak source detection and traceability..

Both serve the Data Loss Prevention market but differ in approach, feature depth, and target audience.

689Cloud SecureDrive differentiates with Built-in Information Rights Management (IRM), Remote access revocation (including post-download), Copy protection and screen capture blocking for Microsoft Office documents. ManTech EchoMark differentiates with Invisible watermark embedding in emails and documents, Visible footnote insertion for recipient awareness, Leak source detection and traceability.

689Cloud SecureDrive is developed by 689Cloud. ManTech EchoMark is developed by EchoMark. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

689Cloud SecureDrive and ManTech EchoMark serve similar Data Loss Prevention use cases: both are Data Loss Prevention tools. Review the feature comparison above to determine which fits your requirements.