Twitter Rolls Out Two-Factor Account Authentication

Twitter today launched a feature that will allow users to opt into two-factor account authentication on the service.

Users who turn on the feature will receive an access code on their smartphone by SMS text message each time they attempt to log in to Twitter. They will be required to enter that code each time they seek to access their accounts.

The company was pressured earlier this month to support more-secure login features, after several high-profile media accounts, including one belonging to the Associated Press, were hacked.

But security on the site has been a problem for Twitter since it first became popular, according to Sophos Security researcher Chester Wisniewski.

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