The Yubico key is a USB thumb drive that you insert into your computer as a part of the login process after entering your username and password. The something that you have is usually something like a USB Yubico key or a Time-based One time password (TOTP). The something you know is your username and your password. Two factor authentication means something you have and something that you know in order to log in. One way to make your password more secure is to add two factor authentication (2FA) to the account that you are accessing. How long will it take to crack your password? Most people create passwords that they can remember or they write them down in a book that they keep some place. Everyone has usernames/passwords for their bank, credit card sites, Amazon, cell phone company, electric company, gas company, internet service providers and the list goes on an on. The biggest reason for so many passwords is that there has been a migration from applications located on the desktop computer to web-based applications in the cloud. Currently, we are overwhelmed daily with massive numbers of usernames and passwords for our applications. Years ago it used to be that the only place that you found passwords might be on a personal computer login, if at all.
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