Many services use two-factor authentication nowadays, where your phone or email address gets sent a code that you must enter as part of the login process into an online service. These codes are one ...

Come along with me on a journey as we delve into the swirling, echoing madness of identity attacks. Today, I present a case study on how different implementations of OAuth 2.0, the core authentication ...

Android devices are vulnerable to a new attack that can covertly steal two-factor authentication codes, location timelines, and other private data in less than 30 ...

The JWT MUST be digitally signed or integrity protected with a Message Authentication Code (MAC). The authorization server MUST reject JWTs if signature or integrity protection validation fails.

The new QR code-based key authentication feature is available to ensure you’re communicating with the person you want to communicate with. Once the feature is available, you can access details by ...

Apple is always adding new features to its software, but every now and then a change arrives that it’s hard to live without. One such killer feature lets you autofill two-factor authentication codes, ...

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 ...

We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity and ...

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 ...

A major security incident has come to light involving the exposure of one million two-factor authentication (2FA) codes, revealing vulnerabilities in the authentication system widely used by major ...