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 [...]

This is coming straight from the folks over at Adobe and the World of Warcraft main website.
A recent vulnerability has been discovered in popular web-content delivery program Adobe Flash, and it could potentially be used to target World of Warcraft players and accounts. The newest available version of Adobe Flash, version 9.0.124.0, does not contain [...]

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 [...]

Don’t Panic.
Essentially this has been going on for a while now at least 3 months that I know of on Thottbot (which is why I never bother using it) but this is recent news to me regarding Wowhead.
Apparently there is an advertisement banner on the Wowhead site and on many other sites even hotmail that [...]

A friend of mine who doesn’t even own a World of Warcraft account recently got an email in his inbox. I went ahead and placed X instead of the actual URL and disabled all the links so anybody reading this won’t fall for the trick. It’s a phishing scam where the [...]

Lastly is something Blizzard cannot do much about sadly, Keyloggers. Viral assaults on people have been around since the computer age began. Ever present on the WoW official forums are links placed by exploiters and hackers that when accessed downloads a hidden Trojan or keylogger virus to the person’s computer. This virus will report all [...]