Two-step verification is still not popular with Google account and service users.
Two-factor authentication has the virtue of enhancing the security of an account. It adds an extra layer of security for access to an account, so that the only password - which can be stolen for example - is not enough.
Google - among others - has been offering this two-step verification for its online accounts since 2011 through a single-use code sent via SMS, a voice message or a mobile application. A physical security key can also act as a second authentication factor.
Such a security key takes advantage of the FIDO FIDO Universal 2nd Factor standard and can be plugged into a USB port of the computer, or with a smartphone thanks to Bluetooth Low Energy.
With 1.2 billion users, Gmail is an extremely popular online service. During a presentation at the 2018 Usenix Enigma IT security conference, a Google software engineer revealed that less than 10 percent of users enable 2-step verification.
Related: Il est désormais possible de recevoir 50 Mo d'e-mails dans Gmail, mais les limites de taille d'envoi sont de 25 Mo
Despite this, with connections deemed suspicious (based on criteria that change regularly), Google uses dynamic so-called two-factor authentication that forces a two-step validation.
For now, Google has not dared to make the two-step validation a default security setting for common users, probably because they still perceive it as a constraint.
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suivre Dhaouadi Aymensur