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What is two-factor authentication (2AF)?
Two-factor authentication is a mandatory security requirement (from PSD2) to protect electronic payments and other related services.
Your identity is verified by validating at least 2 of the following 3 criteria:
- An element that you have created to secure your account (personal code, secret question...)
- An element that you have in your possession (mobile, identity card...)
- An element that characterizes you (biometrics: fingerprint, facial recognition...)