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Security Fundamentals & Crypto · Advanced

Implicit Trust Zone

Area behind a policy enforcement point where entities are trusted to the last enforcement check.

Definition

In zero trust, the goal is to make implicit trust zones as small as possible so a compromised entity cannot move laterally. Traditional flat networks are large implicit trust zones. Microsegmentation shrinks them.

Example

A flat data center VLAN where all servers can talk freely is a large implicit trust zone.

Exam tip

Minimize implicit trust zones; place PEPs close to resources.

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