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Cloud Computing · Foundational

Security Pillar

Well-architected pillar focused on protecting data, systems and assets through identity, detection, infrastructure and data protection, and incident response.

Definition

Security pillar principles include implementing a strong identity foundation, enabling traceability, applying security at all layers, automating security best practices, protecting data in transit and at rest, keeping people away from data and preparing for security events.

Example

Enforcing least privilege roles, encrypting all data with KMS and enabling CloudTrail across accounts.

Exam tip

Traceability (logging and auditing) and strong identity foundation are security pillar principles commonly tested.

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