1Security Microsoft Copilot Security vs Netskope One DSPM: Side-by-Side Comparison (2026)

1Security Microsoft Copilot Security

Security teams deploying Microsoft Copilot across M365 need visibility into what data the AI can actually access before oversharing becomes a compliance liability, and 1Security Microsoft Copilot Security is built explicitly for that pre- and post-deployment control. The tool maps Copilot's permissions through Microsoft Graph, flags excessive access across SharePoint and OneDrive, and automates remediation of misconfigurations, addressing the asset management and data security gaps that most M365 tenants haven't solved yet. Skip this if your organization hasn't standardized on Microsoft's ecosystem or if you're looking for a Copilot governance tool that also covers other generative AI platforms; 1Security is Microsoft-only.

Netskope One DSPM

Mid-market and enterprise teams drowning in shadow data across cloud and on-premises environments should pick Netskope One DSPM for its automated discovery and real-time permissions management, which actually reduces the manual classification work that kills most DSPM rollouts. The continuous scanning maps your full data estate against GDPR, HIPAA, and PCI-DSS without requiring you to tag everything yourself first. Skip this if your organization runs mostly SaaS with minimal on-premises storage or if you need deep forensic analysis of past exfiltration events; Netskope prioritizes ongoing posture assessment and risk prevention over historical incident reconstruction.