Office 365 gets two-factor authentication

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Office 365 gets two-factor authentication

Microsoft has extended two-factor authentication to all Office 365 users, giving an optional second layer of protection against attacks.

Subscribers to Microsoft's midsize business, enterprise, academic, non-profit and individual Office 365 plans can enable two-factor authentication for free, the company said.

Previously, the feature was only available to Office 365 admins.

With the new feature, users will have to use a second mode of verification on top of their password, such as taking a phone call or entering a code sent via text or the Office 365 app.

"Multi-factor authentication increases the security of user logins for cloud services above and beyond just a password," said Paul Andrew, a technical product manager for Office 365.

"With multi-factor authentication for Office 365, users are required to acknowledge a phone call, text message, or an app notification on their smartphone after correctly entering their password," he added. "Only after this second authentication factor has been satisfied can a user sign in."

Microsoft said it plans to extend the feature to desktop apps including Outlook, Lync, Word, Excel, PowerPoint, PowerShell, and OneDrive for Business later this year.

This article originally appeared at

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