![]() When a user falls into the trap and enters his information (user name, password, and even his one-time password), it is immediately intercepted by the hacker and used to access the victim’s account. The theory is quite simple: the hacker sets up a fake website designed to trick visitors into submitting their credentials. The remaining issues, however, are phishing and man-in-the-middle attacks, the most infamous assaults that defeat OTP technology. ![]() For the OATH standard, Yubico uniquely offers a token prefix that can be used for identity, simplifying enrollment and user experience.It is easy to implement with any existing website with no client software needed.YubiKeys allow enrollment by the user, which reduces administrative overhead.OTPs generated by a YubiKey are significantly longer than those requiring user input (32 characters vs 6 or 8 characters), which means a higher level of security.Enterprises can configure their own encryption secrets on a YubiKey, which means no one else ever sees those secrets.The user never has to type a code instead he just touches a button.Yubico’s OTP implementation solves some of those issues. The technology requires the storage of secrets on servers, providing a single point of attack.Administrative overhead resulting from having to set up and provision devices for users.Manufacturers often possess the seed value of the tokens.Users need to type codes during their login process.OTP technology is compatible with all major platforms (desktop, laptop, mobile) and legacy environments, making it a very popular choice among second-factor protocols.Īs good as it is, traditional OTP has limitations. OTPs are delivered in many ways, usually via an object the user carries with him, such as his mobile phone (using SMS or an app), a token with an LCD-display, or a YubiKey. By definition, this OTP credential is valid for only one login before it becomes obsolete. On top of a static user name/password credential, a user adds another authentication factor - one that is dynamically generated. Its popularity comes from its simplicity. It provides a strong level of protection to hundreds of millions of accounts, and has been implemented for decades. The one-time password (OTP) is a very smart concept. Regarding U2F and OTP, we think both have unique qualities. Our quick answer is that we will always provide multiple authentication options to address multiple use cases. At Yubico, we are often asked why we are so dedicated to bringing the FIDO U2F open authentication standard to life when our YubiKeys already support the OATH OTP standard.
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