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SSH with Yubikey

Posted on November 3, 2017

Authentication factors One of the common way to create more secure authentication in systems is adding more “factors”, creating in this way a Multi-Factor Authentication (MFA). The idea behind MFA is that there are many different ways to authenticate a user, and those can be split in different “categories” based on the kind of challenge we require. Generally speaking, it’s common to divide the authentication methods in mainly three categories:

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