When you have 2FA set up, you derail their plans. Two-factor authentication is used by a wide variety of organizations, from workplaces and schools to banks, social media companies, and more.

Your two-factor and multi-factor authentication (MFA) may be weak, but, luckily, there's something you can do about it.

A million two-factor authentication codes sent via SMS passed through an obscure third-party company. Here's how it happened and why it's a problem.

A new report found that around a million two-factor authentication codes sent by text message appear to have been intercepted.

Just how safe is that two-factor login code? An investigation into the complexity of the global telecom system has revealed weaknesses in the transmission of secret codes sent via text messages.