News of the Blizzard Authenticator isn’t necessarily bad, however. There’s no plan to expand this security to all accounts for free.
We currently have only the intention of releasing the authenticator to provide an extra layer of end-user security for those interested in purchasing it. The idea is not to punish players who do not purchase [...]

BLIZZARD® AUTHENTICATOR OFFERS ENHANCED SECURITY FOR WORLD OF WARCRAFT® ACCOUNTS 2008 ANNOUNCED

 
Keychain token generates unique codes used to help prevent unauthorized account access IRVINE, Calif. –- June 26, 2008 -– Blizzard Entertainment, Inc. today introduced an optional extra layer of security [...]

With all the noise going on about keyloggers and trojan viruses and the likes, I thought it would be very appropriate to make mention of this recent Blizzard post by Drysc. In his reply he links some really good sites and something you should at least write down or bookmark just in case.
Q u o [...]

Wherever there is something to be gained through time invested or hard work, there will always be select few that want to take the easy path and put as little effort as possible to attain the end result. It’s a matter of human nature that some people just don’t want to earn their rewards but [...]