SMS Multifactor Authentication in Antarctica

2/5/2023

This blog post discusses the use of SMS (Short Message Service) as a form of Multi-Factor Authentication (MFA). It begins by explaining the concept of MFA and why it is important for securing online accounts. The post then delves into the potential vulnerabilities and limitations of using SMS as a method of MFA. It highlights various attack vectors such as SIM swapping, interception, and phishing that can compromise the security of SMS-based MFA. The author concludes by recommending alternative methods of MFA that are more secure and less susceptible to these attacks, such as using authenticator apps or hardware tokens.

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