What is Public Key?
Public Key The openly distributed cryptographic key in an asymmetric key pair, used to verify digital signatures or encrypt data for the corresponding private key holder.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Public Key” Used in Practice?
Public keys are distributed in certificates to allow anyone to verify signatures or encrypt messages for the private key owner.
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Public Key?
The openly distributed cryptographic key in an asymmetric key pair, used to verify digital signatures or encrypt data for the corresponding private key holder.
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