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

Google offers 2-step verification as an extra security measure to log into your account. However, there are times when you may need to log into your account without 2FA verification.

Facebook uses a security measure called Login Approvals that sends a verification code to your mobile phone each time you use a different computer or device to access your Facebook account.

From there, tap on Login Verification option listed in the menu. Follow the prompts, which include entering a verification code that will be sent to your phone number.

Traveling abroad but still need to receive verification codes and bank SMS texts? This video explains the best options like using eSIMs, roaming services, and virtual numbers to stay connected and ...