An SMS (Short Message Service) is a feature of mobile phones that enables you to send text messages to other people. While free messaging services offered by smartphones support a cheaper and less ...

SMS text messages are a weak, dangerous way of providing two-factor authentication codes, as we discussed years ago in “Facebook Shows Why SMS Isn’t Ideal for Two-Factor Authentication” (19 February ...

Many Web sites and apps now offer two-factor authentication (2FA), which requires you to enter a short numeric code—the so-called second factor—in addition to ...

SMS text messages were already the weakest link securing just about anything online, mainly because there are tens of thousands of employees at mobile stores who can be tricked or bribed into swapping ...

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 ...

Instagram has some security measures in place to ensure hackers and scammers can’t access your account. Two-factor authentication is one of them, but sometimes it doesn’t work. Today, we’ll show you ...

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 ...

A security lapse has exposed a massive database containing tens of millions of text messages, including password reset links, two-factor codes, shipping notifications and more. The exposed server ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Facebook, PayPal, Microsoft, Twitter, Sony, Uber, Dropbox, Amazon ...