What Is a Certificate Authority (CA)?

January 30, 2023

A certificate authority (also known as a certification authority or simply CA) is a trusted third-party organization that verifies the authenticity of websites. CAs issue digital SSL/TLS certificates that assure web visitors that they are communicating with an official website and not a fake domain set up to steal data.

Anastazija is an experienced content writer with knowledge and passion for cloud computing, information technology, and online security. At phoenixNAP, she focuses on answering burning questions about ensuring data robustness and security for all participants in the digital landscape.