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Two-Factor Authentication (2FA) refers to a security system where two levels of identity checks are required. It comprises the current identity check using User ID and Password, and an additional level using something that you carry which generates a unique security code commonly known as OTP (One-Time Password) before an authorized user can gain access to an online service. These two levels of identity checks help boost security against Internet Banking crimes. (User ID & Password is basically “Something you know” and Hardware device “Something you have”).