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 ...

Learn why passwordless authentication is crucial for external vendors & partners. Reduce breaches, stop password sharing, ...

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 ...

Two-factor authentication is the best protection against any of those, plus so much more. I'll explain what it is and why you should enable it whenever possible. Sometimes called 2-factor ...

A talented hacker might be able to easily crack the password for your bank account – especially if it falls under the easy-to-guess formula of your first name and last initial. However, if you have ...

The two-factor authentication may no longer be enough. Learn how passkeys offer phishing-resistant, biometric-based ...

Everyone agrees that authenticating your identity to log in, whether at work or at home, is usually either quite easy but not secure at all or very secure but painfully difficult. People naturally ...

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

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, ...

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 ...