Public Key Infrastructure (PKI)

Public key infrastructure (PKI) is the system of certificate authorities, certificates and policies that binds public keys to identities. It lets parties trust encrypted connections and digital signatures.

Related Terms

  • TLS

    TLS (Transport Layer Security) is the protocol that encrypts and authenticates data travelling between two systems. Typical pairs are a browser and a web server, or two internal services.

  • Zero Trust

    Zero trust is a security model that never grants trust based on network location. Every user, device and request is verified before receiving the least access it needs.

  • Encryption at Rest and in Transit

    Encryption at rest and in transit means protecting data with encryption both while it is stored and while it moves across networks. Stolen or intercepted data then stays unreadable without the keys.

  • Key Management

    Key management is the set of practices and systems for creating, storing, using, rotating and retiring cryptographic keys. It keeps encrypted data and digital signatures trustworthy.

  • Post-Quantum Cryptography

    Post-quantum cryptography is the family of encryption and signature algorithms designed to resist attacks by future quantum computers. The algorithms run on today's ordinary hardware.

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