The only spot for vulnerability in OTPs is hacking the user's device by duplicating a SIM card or hacking their emails. Hence, OTPs are useful not only for authentication purposes, but also for device verification purposes. When they enter the code right, the device is automatically verified. One-time passwords are sent to the user, normally via email or phone. One-time codes can be sent in voice strings, via SMS, via email or even via a messaging app. This is a more inclusive option than simply relying on text. OTPs can be sent in voice strings included in texts, SMS or voice calls. One-time passwords are a secure way to authenticate users, and there is almost no chance of breaching them. When the user enters the code, they are granted access and hence they are authenticated.ĭepending on the type of platform, these codes can be sent to the user's via SMS or email.įurthermore, one-time passwords are always linked to a unique reference and can be timelimited too Pros and cons of using OTPs These codes are sent to the user, so only the server and the user know the code. One-time passwords (or OTPs) are numeric codes linked to a reference. How do OTPs work in passwordless authentication? They are most known in multi-factor authentication processes, but one-time passwords or one-time codes can also be used as a standalone authentication method. 3 types of passwordless authentication solutionsĪs we have seen, there are many different types of passwordless authentication, since this means any type of authentication method that doesn't imply using a password. Don't worry - every passwordless auth system has its advantages, and we'll analyze them one by one. Given this broad definition, we can affirm that there are many different types of passwordless authentication, depending on the method used to authenticate the user.
Moreover, passwordless authentication can also be applied online and offline. In online authentication, a passwordless authentication system is any process that authenticates a user without using a password. This is the ultimate guide to passwordless authentication: what is it, which passwordless solutions suit you better and how to implement them without coding. If this is your case and you want to take your auth system to the next level, we've got you covered. Passwordless is a more secure, economical and user-friendly method of authentication, still many online sites rely on the combination of email and passwords to authenticate their users. This method has been gaining popularity, and experts agree it will keep on growing. Passwordless authentication is said to be the future of online authentication.
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