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What Makes Two-Factor Authentication (2FA) Vulnerable to Phishing Attacks?

Vijay Kumar Gupta
8 min readSep 9, 2024

Two-factor authentication (2FA) has become a standard security measure in online services and applications to provide an extra layer of protection beyond just a password. With cybercrime on the rise, the addition of 2FA offers a buffer against unauthorized access by requiring not only something the user knows (a password) but also something the user possesses (such as a phone or an authentication app). However, while 2FA significantly improves security, it is not immune to attacks.

Phishing attacks, which trick users into revealing sensitive information, are increasingly targeting 2FA mechanisms. In this blog, we’ll explore how phishing attacks can exploit weaknesses in 2FA, the different types of 2FA that are more vulnerable, and steps organizations and individuals can take to protect themselves.

Understanding Two-Factor Authentication (2FA)

Two-factor authentication enhances the traditional login process by adding an additional verification step after the user inputs their password. The concept relies on verifying two factors from the following categories:

  1. Something You Know: A password, PIN, or security question.
  2. Something You Have: A physical device like a smartphone, USB security…

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Vijay Kumar Gupta
Vijay Kumar Gupta

Written by Vijay Kumar Gupta

Vijay Gupta is an inspiring public speaker and social entrepreneur who has dedicated his life to bringing about positive change and empowering communities.

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