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 ...

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 ...

I am often asked about Machine Authentications, how they differ from User Authentications, and how to authenticate both identities togethers. That quote is something that I am hearing all the time ...

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 (2FA) adds a vital security layer by requiring both your password and a second verification step—like a phone code or app prompt—before ...

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 ...

Learn about passwordless authentication, and explore the different types, benefits and limitations to help you decide which solution to choose. Passwordless authentication is a more secure method of ...

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 ...