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Security Fundamentals & Crypto · Intermediate

Just-in-Time Access (JIT Access)

Granting elevated privileges only when needed and only for a limited time, removing standing privileges.

Definition

JIT access requires users to request elevation, often with approval and justification, and automatically revokes it after a set duration. It shrinks the window in which privileged credentials can be abused. Microsoft Defender for Cloud also provides JIT VM access that opens management ports only on request.

Example

An engineer requests Owner on a subscription for one hour with a ticket number, and the role expires automatically.

Exam tip

JIT reduces standing privileges; it pairs with least privilege and PAM.

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