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Difficulty: EasyZero Trust Architecture Principles

An enterprise security team is transitioning network operations to align with Zero Trust Architecture (ZTA) principles. Which of the following statements accurately describes a fundamental principle of access control within Zero Trust?

  1. Every access request must be explicitly validated and continuously authorized based on contextual attributes, regardless of whether the connection originates inside or outside the corporate network.Answer
  2. B
    Traffic originating from internal corporate network segments is implicitly trusted and bypasses secondary authentication checks.
  3. C
    Successfully authenticating user identity during initial logon automatically satisfies authorization requirements for all internal applications.
  4. D
    Zero Trust is implemented primarily as a boundary filtering control, relying on a central hardware firewall device to protect network assets.

Answer

Every access request must be explicitly validated and continuously authorized based on contextual attributes, regardless of whether the connection originates inside or outside the corporate network.
The correct principle mandates that no user, device, or network segment is trusted by default. Every access request must be explicitly validated and continuously authorized using real-time contextual context regardless of location.

Step-by-Step Solution

1
Identify the core tenet of Zero Trust Architecture
Zero Trust assumes that threats exist both outside and inside the traditional network boundary.
Legacy perimeter security relies on implicit trust within the internal network, whereas Zero Trust operates on the baseline assumption of zero implicit trust.
2
Evaluate access control enforcement mechanisms in Zero Trust
Access decisions must be explicitly verified, applying least privilege access dynamically based on context (user, device, location, asset value).
Continuous authentication and explicit verification ensure that moving inside the network perimeter does not grant unverified access.

Key Concept

Zero Trust Architecture Principles - Never Trust, Always Verify
Estimated Time:45s
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Topics

Zero Trust Architecture Principles

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