You need an authenticator on a battle.net account. There is no way around that. Download the free version or buy the one blizzard sells at cost.
Blizzard should have done a better job at letting Diablo players know how to protect their account. WoW players are very well aware of the importance. Bundling an authenticator with every physical copy would have gone a long way in helping with these issues.
Blizzard should have done a better job at letting Diablo players know how to protect their account. WoW players are very well aware of the importance. Bundling an authenticator with every physical copy would have gone a long way in helping with these issues.