U2F keys are often called the strongest authentication method, by some described as completely resistant to phishing. There are many methods of two-factor authentication, although authentication based on U2F keys is indicated by cybersecurity specialists as the most secure mechanism. Thanks to 2FA, it is more difficult for cybercriminals to gain access to users’ private data, as they have to get through not one (password) but two firewalls (the second component). Two-Factor Authentication or 2FA was created to better secure user accounts on the Internet. network authentication, in which, in addition to the traditional static password, a second component is used to increase the login security level. This name is associated with two-factor authentication, i.e. U2F is an abbreviation of the English phrase Universal Second Factor, which is the universal second component used to authenticate online.
In a very simplified way, the U2F key is the key to the internet. The U2F key is a network authentication tool.
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