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

An investigation into the complexity of the global telecom system has revealed weaknesses in the transmission of secret codes ...

It's not safe to have security codes texted to your phone. Luckily, there are other ways to log into your accounts.

One-time SMS codes are widely used as the second checkpoint in two-factor authentication (2FA) to sign into everything from ...

A new report found that around a million two-factor authentication codes sent by text message appear to have been intercepted. A tech industry whistleblower revealed that the 2FA security codes ...

QR code verification is more secure than SMS authentication as there is no message containing an access code. No code means no danger of phishing scams or hackers.

Any “untrusted” Notification Listener service that tries to read notifications with two-factor authentication codes will simply be given a message stating, “sensitive notification content ...

Every day, millions of people sign in to their email, banking app or social media accounts with both their password and a one-time login code they receive by text message. The codes often arrive ...

But some forms of 2FA are better than others. A common method is to receive a confirmation code via an SMS text message. ... First, QR codes eliminate the numeric authentication code, ...

Apple and Android users have been urged to stop receiving two-factor authentication codes via text after government officials revealed a massive telecom breach that could expose non-encrypted ...

The attack targets the RADIUS Response Authenticator, an ad hoc message authentication code based on MD5. By leveraging improved MD5 collision techniques, ...