A system asks users for a password and then a 4-digit PIN. Why is this not true multi-factor authentication?
Un système demande aux utilisateurs un mot de passe puis un code PIN à 4 chiffres. Pourquoi n'est-ce pas une véritable authentification multifacteur ?
Answers
AThe PIN is far too short to be secureLe code PIN est bien trop court pour être sûr
BPINs are only meant to be used at cash machinesLes codes PIN sont réservés aux distributeurs de billets
CThe password always has to be entered lastLe mot de passe doit toujours être saisi en dernier
DBoth are things the user knows: one factorCe sont deux choses que l'utilisateur sait : un seul facteur
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