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1Security

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1Security maps every identity in a Microsoft 365 tenant — users, apps, AI agents, and devices — into a live graph showing access permissions, activity, and paths to data, and can remediate risky access. The platform serves enterprise security teams for identity-based threat detection, access reviews, and compliance reporting (NIS2, ISO 27001, SOC 2), running read-only on existing Microsoft licenses.

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Frequently asked questions

What does 1Security do?
1Security maps every identity in a Microsoft 365 tenant — users, apps, AI agents, and devices — into a live graph showing access permissions, activity, and paths to data, and can remediate risky access. The platform serves enterprise security teams for identity-based threat detection, access reviews, and compliance reporting (NIS2, ISO 27001, SOC 2), running read-only on existing Microsoft licenses.
Who are 1Security's investors?
1Security's investors include Sunfish Partners, Sunfish Partners.