cange your ip and make sure they dont get it a second time, dont click any links from stranger and dont create an account with your character on arenajunkies

"morons can and do DDoS people, it's pretty fucking easy"
sad but true, its common for multi #1 players like arcurio/inspirenz who are well known on arenajunkies for ddosing people but since blizzard cant intervene whos gonna stop them?