Zero Trust replaces the idea of a trusted internal network with explicit, continuous verification.
Core principles
- Never trust, always verify: authenticate and authorize every request.
- Least privilege: grant only the permissions a user or service needs for a task.
- Assume breach: design controls so an attacker cannot move laterally.
Implementation checkpoints
- Strong identity controls with MFA and device trust.
- Microsegmentation around critical applications and data.
- Continuous monitoring of behavior and context.
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View all termsAttack Surface
The total number of points where an unauthorized user could try to enter data into, or extract data from, an environment.
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The process of verifying the identity of a user, device, or system before granting access to resources or services.
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The practice of granting users and services the minimum access they need to perform their duties.
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A weakness in a system, application, or process that could be exploited by a threat actor to gain unauthorized access or cause harm.
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