Discover how passwordless login works and why it's transforming authentication technology. Learn its benefits, security advantages, and impact on the future of digital access.

Forbes contributors publish independent expert analyses and insights. I write about contemporary cybersecurity and online privacy issues. Before talking about what authentication is and how it works, ...

As passwords routinely fail to protect users, multi-factor authentication (MFA) is fast emerging as the new gold standard of cybersecurity. By adding extra layers of protection, MFA is able to block ...

Compare the 15 best passwordless authentication solutions for 2026. Explore features, pricing, use cases, and how to choose ...

As leaders begin implementing biometrics, passkeys and AI threat detection, there are several core design principles they ...

Two-factor authentication (2FA) is a security access method that requires users to provide two forms of identification (aka factors), typically a password in ...

Two-factor authentication is a security process that requires users to provide two distinct authentication factors to access an account. By introducing a second layer ...

Authentication has been a part of digital life since MIT set up a password on their shared-access computer in 1961. Today, authentication covers virtually every interaction you can have on the ...

What is two-factor authentication, and why do experts say it's the key to better online security? Two-factor authentication—often referred to as two-step authentication and 2FA—is a method for keeping ...

It has long been known that passwords are one of the weakest methods for authenticating users. One of the first examples of a password being compromised can be traced back to 413 BCE, when the Greek ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for ...