Definition: Identity verification is the process of confirming that a person is who they say they are. This often involves using special methods to check their physical or behavioral traits, such as fingerprints, facial recognition, or voice patterns. It is commonly used to ensure security, especially in online services or when accessing important information.
In more advanced discussions, "identity verification" can refer to various techniques and technologies, including biometric systems, which analyze physical characteristics, and multifactor authentication, which may require something you know (like a password) and something you have (like a phone).
Verify (verb): To confirm or check the accuracy of something.
Verification (noun): The act of confirming something.
In a broader sense, "identity verification" can also refer to any method used to confirm identity, not just biometric methods. For example, showing an ID card or answering security questions can also be considered forms of identity verification.
While there aren't specific idioms or phrasal verbs that directly relate to "identity verification," you might find phrases like:
Identity verification is an important concept that helps ensure safety and security by confirming who someone is, often using various methods like biometrics.