What is SMS two-factor authentication (2FA) and why you should add it to your mobile app in 2021

App and data security have been a big issue for developers for quite a while now and it is only becoming more important. With millions of applications available online and millions more through the Apple and Google app marketplaces, the hunting grounds for hackers engaged in cybercrime have become massive. If there was ever a time to add two-factor authentication (2FA) to your applications, it is