Sideways Dictionary /🔒 (beta) Home Page ... Welcome ! ! !

Sideways Dictionary /🔒 (beta) Home Page ... Welcome ! ! !

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2 Factor Authentication

Two-Factor Authentication, 2FA

It’s like Cinderella’s slipper.

She can give her name and confirm where she was before midnight, but it’s only when the slipper fits that Prince Charming knows she’s for real. The Prince was an early adopter of 2FA.

Related terms

Security Key


One-Time Password


Application Programming Interface

It’s like the connectors on the back of your TV.

They let you plug in a device from another manufacturer (DVD player, games console, set-top box) and b

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