Starting on Thursday, the company announced, users of the Yahoo Mail app on both iOS and Android will have access to a new service called Yahoo Account Key, which uses smartphones to verify ...

Yahoo also have another verification method called Yahoo Account Key - you will need to download a Yahoo app, like Mail, and in your settings, enable the Account Key.

When users who sign up for Account Key try to access Yahoo Mail, they will no longer need to enter their password. Instead, the Account Key service will send a message to the smartphone connected ...

Yahoo Account Key is said to be more secure than a traditional password because once it is activated, even if hackers get access to account info, they will not be able to sign into accounts.