Security News > 2020 > December > Top 5 reasons not to use SMS for multi-factor authentication
Tom Merritt lists five reasons why SMS should not be used for MFA. Multi-factor authentication, or as we used to call it two-factor authentication, is essential-it means you don't rely on your password alone for security.
SMS is the most frequently used additional factor because almost everybody has it, and it's a little easier to manage for developers-but it's also the least secure.
Here are five reasons not to use SMS for MFA. SEE: Secure your data with two-factor authentication.
Attackers usually target the weakest link in security and with MFA, SMS is the weakest link.
All that said, if SMS is your only option, use it! Having SMS on as multi-factor authentication is still better than having no other factors and just relying on a password.