Account security has always been an issue with MMOs, and Blizzard have implemented several methods to ensure the integrity of your account, with the physical authenticators, and those for mobile devices.
Last night they announced the latest method they are implementing in the fight against account theft – the Battle.net Dial-in Authenticator.
"Similar to the Battle.net Authenticator and Mobile Authenticator application, the Battle.net Dial-in Authenticator is an optional tool that provides an additional layer of security against unauthorized account access. The Battle.net Dial-in Authenticator is not a physical token or application run on a mobile device, however. Instead, it is a free opt-in service that will actively monitor an account and request additional authorization from the user when a potentially unauthorized login attempt occurs. (Pretty cool, huh?)
If you sign up for the Battle.net Dial-in Authenticator, you will be asked to make a toll-free phone call from a specific phone of your choosing to authorize unusual login attempts with the associated Battle.net account. Please note that you will only be asked to make this phone call when something about your login attempt appears out of the ordinary. For example, if you were to log in from a location from which you do not typically play, you may be asked to call in and provide your selected PIN and a unique, single-use security code before access to the account will be granted."
The service is completely free, including the phone call itself if/when needed, and aims to stop unauthorised access to a players account from a different location to where they would normally log in from.
One thing to note is that this will not be an additional level of security, in addition to your existing authenticator method, and can only be applied to your account if you do not currently have anything in place.
The Battle.net Dial-in Authenticator service is currently only available in the US, but no doubt the service will make its way to other regions at some point soon.
The service works with World of Warcraft accounts, and Battle.net account management sites.
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