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Optiv Cybersecurity Dictionary Breadcrumb Home Cybersecurity Dictionary PKI - Public Key Infrastructure What is PKI - Public Key Infrastructure? Public key infrastructure (PKI) consists of a set of roles, hardware, software, policies, processes and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. PKI is the foundation for Secure Socket Layer (SSL) and Transport Layer Security (TLS), which protect and authenticate traffic over the internet and represent a system of encryption that authenticates and secures communications between two systems. PKI establishes the trusted business environment for applications, such as digital signatures (e-signatures) and e-commerce, and is increasingly being utilized to secure IoT. Some experts say blockchain could become competitive with PKI. Image Related Services Network Security Data Privacy What is SSL Web Inspection? Will Blockchain Change the World? Related TermsIAM - Identity and Access ManagementEncryptionDLP - Data Loss PreventionSSL/TLS (Secure Sockets Layer/ Transport Layer Security)IoT - Internet Of Things Share: Contact Us