When you sign up for a new app on your smartphone, the app uses an NXSMS gateway to verify your phone number. The message usually reads: "Welcome! Your NXSMS verification code is 123456."

: Protecting logins on platforms like Telegram, Google, WhatsApp, and Facebook.

Install-Package Vonage.CloudSms

: Virtual Private Networks or aggressive local spam filters sometimes misidentify incoming enterprise text traffic as promotional spam.

Far more sinister is NXSMS as the alias for a notorious, highly sophisticated French-speaking cybercrime group, primarily known as . This financially motivated syndicate is also known as Desktop-Group and Common Raven .

These services use NXSMS to send or verification numbers for 2-factor authentication (2FA). Such codes are typically valid for only five minutes .