CA: Certificate Authority in Cybersecurity
Certificate Authority.
CA stands for Certificate Authority. A certificate authority is a trusted entity that issues, signs, and revokes digital certificates. CAs verify the identity of certificate requestors and bind public keys to verified identities.
How CA Is Used in Cybersecurity
Security engineers configure internal CAs to issue certificates for mutual TLS and code signing. Architects choose between public CAs and private CAs based on trust requirements. Penetration testers check for weak CA configurations and certificate pinning bypasses.
Read the full glossary entry: Certificate Authority in Cybersecurity
Cybersecurity Roles That Work with CA
Related Cybersecurity Acronyms
Frequently asked questions
What does CA stand for?
CA stands for Certificate Authority. A certificate authority is a trusted entity that issues, signs, and revokes digital certificates. CAs verify the identity of certificate requestors and bind public keys to verified identities.
What is CA used for in cybersecurity?
Security engineers configure internal CAs to issue certificates for mutual TLS and code signing. Architects choose between public CAs and private CAs based on trust requirements. Penetration testers check for weak CA configurations and certificate pinning bypasses.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.