Tandon in the News

Researchers Find Vulnerability in Two-Factor Authentication


Two-factor authentication is a computer security measure used by major online service providers to protect the identify of users in the event of a password loss. The process is familiar: When a password is forgotten, the site sends an SMS text message to the user's mobile phone, providing a verification code that must be entered to reset the password. Two-factor authentication may also be triggered if a user signs on from an unrecognized computer IP address.

Security experts have long endorsed two-factor authentication as an effective safeguard against password attacks

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