technology medium true/false

Multi-Factor Authentication (MFA) using authenticator apps is more secure than SMS-based OTP.

  1. True
  2. False

Answer: True

Authenticator apps (Google Authenticator, Authy) generate TOTP locally, immune to SIM swapping, SS7 attacks, and phishing that compromise SMS OTP. NIST recommends moving away from SMS for high-security applications. Critical for authentication best practices questions.

Topic Advanced Cybersecurity
Exam Relevance Banking, UPSC, SSC

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