Blizzard has pledged to restore Diablo II online characters that died in a recent attack by hackers. Hackers were able to access character information exploting a security loophole in the servers, where all the character information is stored. Players experienced various problems, and as the Battle.net Sysop wrote:
"During the past week, some players have experienced character losses. Instances have ranged from hardcore characters dying, to the loss of items, skill points and experience in normal characters.
As of this morning, we can confirm that the problem causing these losses has been fixed. We recognize that the loss of a hardcore character or unique items is a cause of great concern to players. To remedy the situation, we are taking the following steps: