What is Subordinate CA?
Subordinate CA A Certificate Authority (CA) that is certified and authorized by a root or higher-level CA to issue digital certificates within a Public Key Infrastructure (PKI).
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Subordinate CA” Used in Practice?
A subordinate CA must follow the policies of the root CA and is typically used to delegate certificate issuance within large organizations.
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Subordinate CA?
A Certificate Authority (CA) that is certified and authorized by a root or higher-level CA to issue digital certificates within a Public Key Infrastructure (PKI).
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