As banks have adopted multifactor customer authentication systems, they have inadvertently made it more difficult for many ...

Two-factor authentication adds a barrier between whoever's logging in and the account by requiring authentication in two ways, such as a computer and phone. This ...

Do you receive login security codes for your online accounts via text message? These are the six- or seven-digit numbers sent via SMS that you need to enter along with your password when trying to ...

In “Two-Factor Authentication, Two-Step Verification, and 1Password” (10 July 2023), I explained that for true two-factor authentication, you needed to acquire your time-based one-time password (TOTP) ...

One-time SMS codes are widely used as the second checkpoint in two-factor authentication (2FA) to sign into everything from banking apps to email accounts. As I've written before, though, SMS is one ...

Bank security can feel confusing because every account seems to handle it differently. One bank sends a text. Another sends an email. Another asks you to approve a login inside its app. So when ...

Matt is an associate editorial director and award-winning content creation leader. He is a regular contributor to the CDW Tech Magazines and frequently writes about data analytics, software, storage ...

Credit card authentication is a way of verifying that a person attempting a credit card transaction is who they say they are and that they are authorized to use that card.

Update, Mar. 1, 2025: This story, originally published Feb. 28, now includes details of a new PayPal “no code checkout” scam. Hot on the heels of Google confirming that it is replacing the use of SMS ...

Attackers are now targeting a critical authentication bypass vulnerability in the CrushFTP file transfer software using exploits based on publicly available proof-of-concept code. The security ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...