Public Key Infrastructure
A framework consisting of standards and services to enable secure, encrypted communication and authentication over potentially insecure networks such as the Internet.
Extended Definition: A framework and services for generating, producing, distributing, controlling, accounting for, and revoking (destroying) public key certificates.
Adapted from: CNSSI 4009, IETF RFC 2828, Federal Bridge Certificate Authority Cross-certification Methodology 3.0, InCommon Glossary, Kantara Identity Assurance Framework 1100, NIST SP 800-63 Rev 1.
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards