Blizzard announced today that their popular Battle.net Mobile Authenticator is now available on Windows Phone 7 devices. The mobile authenticator is already available on iPhone, Android and Blackberry mobile devices, and now is also available on Windows phones.
For those of you Win phoneusers, you can now add extra protections for your World of Warcraft accounts by downloading the free mobile authenticator for your phone.
If you can any concerns on security or just questions, just check out the official FAQ.