Zero Trust

Concept

A security model built on three principles: verify explicitly, use least-privilege access and assume breach. Instead of trusting anything inside the network, every request is checked against identity, device and context.

Sessions on this topic (2)

• Beyond Secure Score: Measuring Microsoft 365 Security with the New Zero Trust Assessment · Uros Babic · M365Con 2027
• Beyond Secure Score: Measuring Microsoft 365 Security with the New Zero Trust Assessment · Uros Babic · M365Con 2027

Glossary

Related topics in brief

• Conditional Access · Related to · Concept
  A policy engine in Microsoft Entra that decides at sign-in whether to allow, block or require extra steps, based on signals such as user, device compliance, location and risk. It is the core of a Zero Trust approach in Microsoft 365.
• Zero Trust Assessment · Related to · Product
  Assessment tool that checks a Microsoft 365 and Entra tenant against Zero Trust practices and reports gaps with recommended fixes, going beyond Secure Score.
• Microsoft Secure Score · Related to · Product
  Measurement in the Microsoft Defender portal that scores a tenant's security posture and suggests improvement actions.

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