Determining the authenticity of a physical object, such as art, antiques, or historical documents.
To authenticate means to prove that something—a user, a document, or a piece of evidence—is genuine, real, and not a forgery or a copy. It is the essential process of verifying the identity of a user, process, or device, usually as a prerequisite to allowing access to resources in an information system. authenticate
Adds a second layer of security, such as a one-time password (OTP) or a push notification to a mobile device. Determining the authenticity of a physical object, such
Using SPF, DKIM, and DMARC to prove an email came from a legitimate source, preventing spoofing. such as art