Definition
A Certificate Authority (CA) is a trusted entity that issues, manages, and revokes digital certificates used to verify the identity of organizations, servers, and individuals in encrypted communications.
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Common questions about Certificate Authority answered by our security experts.
Related Terms
Digital Certificate
A Digital Certificate is an electronic credential issued by a certificate authority that binds a public key to an identity, enabling encrypted communication and authentication between parties.
TLS/SSL
TLS (Transport Layer Security) and its predecessor SSL (Secure Sockets Layer) are cryptographic protocols that provide secure, encrypted communication over networks, most commonly used to protect web traffic via HTTPS.
Encryption
Encryption is the process of converting plaintext data into an unreadable ciphertext format using a cryptographic algorithm and key. Only authorized parties with the correct decryption key can convert the data back to its original readable form.
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