Blizzard had server issues Monday morning, leading to authentication lockouts for Blizzard’s games. Blizzard said they were investigating “an issue affecting our authentication servers” However, the company didn’t confirm the issues were DDoS related. A person claiming credit for the attack said Monday’s problems were just a test, promising more outages in the future. Blizzard has been previously linked to Lizard Squad, a group notorious for DDoS attacks against gaming platforms including the PlayStation Network and Xbox Live, including the Xbox Live.”]