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Certificate Definition: A certificate is a digital document issued by a Certificate Authority verifying the identity of an entity and binding a public key to that entity, commonly used in SSL/TLS for securing communication over networks.
A certificate, in the context of cybersecurity, is a digital document issued by a trusted third party known as a Certificate Authority (CA). It contains information about an entity, such as a website or individual, and includes the entity's public key. Certificates are used to establish secure communications over the internet through the process of encryption and authentication, ensuring confidentiality, integrity, and authenticity of data transmitted between parties.