689Cloud SecureMail vs DataStealth: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
689Cloud SecureMail is a commercial secure file sharing tool by 689Cloud. DataStealth is a commercial data masking & synthetic data tool by DataStealth. Compare features, ratings, integrations, and community reviews side by side to find the best secure file sharing fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
SMBs and mid-market teams handling sensitive file attachments over Gmail or Outlook will find 689Cloud SecureMail's link-based IRM approach cuts through the complexity of traditional DLP; you get granular controls (view-only mode, revocation, watermarking, print blocking) without heavy infrastructure. The tool covers PR.DS and PR.AA under NIST CSF 2.0, meaning access and data handling are actually enforced at the file level, not just the gateway. Skip this if your org needs on-premises deployment or integrated secure collaboration; 689Cloud is attachment-centric, not a replacement for teams platforms. Mid-market and enterprise teams protecting sensitive data across fragmented infrastructure,on-prem databases, cloud APIs, legacy mainframes, and SaaS together,should evaluate DataStealth for its agentless inline masking that actually works across those disparate environments without forcing rip-and-replace. The platform covers all four NIST asset and data security functions (ID.AM, ID.RA, PR.DS, DE.CM) and deploys via gateway or proxy rather than requiring agents on every system, which matters when you're dealing with air-gapped or mainframe systems that block typical tooling. Skip this if your primary concern is detection and response; DataStealth prioritizes classification and protection over behavioral anomaly hunting.
