According to a new National Institute of Standards and Technology draft, SMS two-factor authentication may not be so secure. Cybercriminals have already found ways to work around this supposedly secure system. NIST draft also warned that software-based phone numbers, such as those connected to VoIP systems, could be vulnerable to cyberattacks and text theft. Other alternatives include biometrics such as fingerprints or eye scans, but the NIST cautioned that the amount false match rates and false nonmatch rates make it difficult to confirm user identity.”]
Source: https://securityintelligence.com/news/sms-two-factor-authentication-time-to-trash-the-text/