It turns out that it’s extremely tedious to implement SMS verification codes that work reliably. “Initially, when I started looking at this problem at Zenly, we only had one provider.

But SMS verification controls are not 100% fraud-proof as mobile phone porting is becoming prevalent.

SMS is widely regarded as an insecure form of two-factor authentication, and another example of this has just emerged. A carrier looks to be injecting ads into the Google verification code used to ...

Google is changing the way you confirm if contacts are legit. The company has begun rolling out a QR code to verify that the ...

Google is experimenting with a new way for Android users to confirm the identity of people they message. The company has ...

If I had to guess, Google will stop using SMS codes, and will require one of their other methods, such as TOTP (Authenticator) codes. TOTP can be initialized in several ways, one of which is a QR ...

Starting next week Google will overhaul its two-step verification (2SV) procedure and replace one-time codes sent via SMS with prompts shown on the user's smartphone.

Mac 911 How to find alternatives for verification codes when roaming SMS remains a weak point in verifying logins and may be unavailable to you while outside your home country or region. Mac 911 ...

Twitter’s new login verification system uses a cryptographic scheme and challenge and response and no SMS codes.

Valve has announced implementing additional security measures for developers publishing games on Steam, including SMS-based confirmation codes. This is to deal with a recent outbreak of malicious ...