Protect your World of Warcraft, StarCraft II and Diablo III 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. The setup of the token is simple and takes only a moment. Small and convenient: Take your token to wherever you play World of Warcraft, Starcraft II, or Diablo III 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 log in to Battle. net Account Management to attach the token to your account for safe access. Frequently Asked Questions What is the Battle.net Authenticator? The Battle.net Authenticator is an optional tool that offers World of Warcraft, StarCraft II, and Diablo III players an additional layer of security to help prevent unauthorized access to their Battle.net account.

The Authenticator itself is a physical 'token' device that fits easily on a key ring. How does the Battle.net Authenticator work? You must first associate the Battle.net Authenticator to a Battle.net account. Once the account has been linked, the Authenticator token will be required to log in to Battle.net or any World of Warcraft, StarCraft II, or Diablo III games attached to that account when logging in, you will be prompted to supply a digital code generated by the Authenticator.