Authenticate -

Documenting who had possession of the evidence to ensure it hasn't been tampered with.

Simply showing a screenshot is often insufficient; original metadata (timestamps, file properties) is required. 3. Physical & Historical Authentication

To prevent unauthorized access, protect against identity theft, and secure data integrity. 2. Legal & Evidence Context authenticate

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.

Using SPF, DKIM, and DMARC to prove an email came from a legitimate source, preventing spoofing. Documenting who had possession of the evidence to

To verify that a document, photo, or text message is authentic and has not been altered before it is admitted as evidence in court. Process:

Ensuring a user is who they claim to be, typically through methods beyond just a username and password. Methods: It is the essential process of verifying the

Determining the authenticity of a physical object, such as art, antiques, or historical documents.