1Security Microsoft Copilot Security vs Lightbeam Data Identity Graph: 2026 Comparison

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.

Lightbeam Data Identity Graph

Mid-market and enterprise teams drowning in fragmented data across SaaS and on-premises systems need Lightbeam Data Identity Graph to stop guessing who actually has access to sensitive information. Its entity resolution engine connects scattered data attributes to real identities in hybrid environments, then scores risk in real time based on actual access patterns rather than static policies. Skip this if your data footprint is mostly centralized in a single cloud platform or if you need mature automation for remediation across dozens of third-party systems; Lightbeam's integrations are still narrow.