Microsoft moves to optional two-factor authentication

In the days to come, users of Outlook.com, Skype and SkyDrive will be given the option of adding a second form of authentication

By , IDG News Service |  Security

Microsoft can also keep a list of trusted devices designated by the user. With such devices, users enter a security code once and have that device remembered in future visits, eliminating the need to enter the security code for each log in. Microsoft currently offers this capability, but only with Internet Explorer and the use of additional software. Users can manage their list of trusted devices through their account settings page.

Doerr cautioned that, though more secure, two-factor authentication can be more difficult to manage. Losing a security code results in a 30 day wait for a new code. And Microsoft is asking for at least two pieces of information on file, in case one of the pieces is lost or forgotten. And if the user loses both the password and all the security information, he or she will not be able to access the account again.

Joab Jackson covers enterprise software and general technology breaking news for The IDG News Service. Follow Joab on Twitter at @Joab_Jackson. Joab's e-mail address is Joab_Jackson@idg.com

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