Blizzard Authenticator

Protect your World of Warcraftand StarCraftII accounts with industry leading account security -introducing the Battle.net Authenticator!

The Battle.net Authenticator is designed as a supplemental authentication method for your Battle.net account, giving you the security of Two-Factor authentication. Each time you log in using the Battle.net Authenticator you are provided with a unique, one-time use password to use in addition to your regular password. Log in with both and you can rest easy knowing that your account is safer.

Simple and easy to use: Press one button and you have your additional password. Setup of the token is simple and takes only a moment.

Small and convenient: Take your token to wherever you play World of Warcraftor StarCraftII and know that your account information is secure

Tough and durable: Lasts for years and replacement is easy

Provides for the highest account security available in the game industry today.

Once you have purchased the Battle.net Authenticator you can login to Battle.net Account Management to attach the token to your account