Public Key Infrastructure (PKI)

[i] Public Key Infrastructure (PKI)) - (definition:: The framework of policies, procedures and technologies used to manage and distribute digital certificates) - (subject:: Cybersecurity

Public Key Infrastructure (PKI) Components

Certificate Authorities (CAs): Trusted entities that issue and manage digital certificates.
Root CAs: The top-level CAs that are inherently trusted by systems and users.
Subordinate CAs: CAs that are authorized and trusted by the root CA to issue certificates.
Certificate Validation: The process of verifying the authenticity and validity of a certificate.