authenticator

[aw-then-ti-key-ter]

noun

1. a person or thing that authenticates.

2. Cryptography.,  a code used to authenticate a previously transmitted code.

Word History and Origins

Origin of authenticator¹

First recorded in 1860–65; authenticate + -or ²

Example Sentences

“They just frequently take on new forms, or target new platforms such as the authenticator app.”

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He also recommended adding a PIN number to the sim card, which can be done in a phone's settings, and the use of authenticator apps to generate random codes, instead of ones sent by text.

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Once the hologram was affixed, the authenticator handed it back to Smith, who said, “I’m gonna give it to Walker.”

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Microsoft has developed an authenticator tool that can analyze photos or videos to give a confidence score on whether it’s been manipulated.

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The option lets you verify who you are, typically by text or an authenticator app.

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