Two-factor authentication (2FA) significantly increases security by requiring a second verification factor, which reduces phishing success rates. For instance, research indicates that 2FA can block 99.9% of automated attacks and significantly decrease unauthorized access attempts, proving essential in safeguarding sensitive information[2].
When comparing methods, while SMS-based authentication is common and can thwart a substantial percentage of attacks, it is vulnerable to interception via phishing. In contrast, hardware keys offer enhanced protection, as they are less susceptible to these methods and provide a more robust defense against various cyber threats[3][4].
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