Certificate-based authentication is a security process that uses digital certificates to verify the identity of users and devices. Digital certificates are issued by trusted Certificate Authorities (CAs) and contain information such as the user’s name, organization, and public key. When a user presents a digital certificate to a server, the server can verify the certificate’s authenticity and the user’s identity. This helps to protect against man-in-the-middle attacks and other security threats.
Certificate-based authentication is used in a variety of applications, including:
- Secure Web browsing (HTTPS)
- Email (TLS/SSL)
- Remote access (VPN)
- Electronic signatures
- Financial transactions
Certificate-based authentication is a secure and reliable way to verify the identity of users and devices. It is an essential part of many security solutions and helps to protect against a variety of threats.
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