What is Subject Key?
Subject Key The cryptographic public key associated with the subject of a digital certificate, used to verify signatures or encrypt messages to the certificate holder.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Subject Key” Used in Practice?
The subject key is embedded in the certificate and is required for secure communications and digital signature verification.
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Subject Key?
The cryptographic public key associated with the subject of a digital certificate, used to verify signatures or encrypt messages to the certificate holder.
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