The Public Key Infrastructure (PKI) consists of specifications, systems, and tools that are used to create, manage, distribute, use, store, and revoke digital certificates. The certificate authority (CA) is an organization that creates digital certificates by tying a public key to a confirmed identify, such as a website or individual. The PKI is an intricate system that is designed to safeguard digital identities from hacking by even the most sophisticated threat actors or nation states.c
