
http://www.blizzard.com/store
Blizzard Authenticator
I would encourage all Old Timers, and even those who are not in our guild, to purchase a Blizzard Authenticator. They are very affordable at $6.50, and a must have if you want to make your account more secure.
However, due to popular demand, these Authenticators have sold out, and are currently not in stock through Blizzard's online store. Since Blizzard doesn't alert its members when items like this are available again, it is a good idea to check back on their site everyday until you are able to buy one.
Read below for more info.
~Necrovoodoo
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Blizzard Authenticator Details
Blizzard Authenticator for use with your World of Warcraft account.
Protect your World of Warcraft account with industry leading account security - introducing the Blizzard Authenticator! The Blizzard Authenticator is designed as a supplemental authentication method for your World of Warcraft account, giving you the security of Two-Factor authentication. Each time you log in using the Blizzard 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 now even more secure from malicious attacks such as keyloggers and trojans.
- Simple and easy to use – press one button to display the digital code. Setup of the token is simple and takes only a few minutes.
- Small and convenient – take your token to wherever you play World of Warcraft and know that your account 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 Blizzard Authenticator you can login to World of Warcraft Account Management to associate the token to your account.

Price: $6.50
Purchase one from the Blizzard Store