[#Bnet] We are currently experiencing a DDoS attack, which may result in high latency and disconnections for some players. We are actively working to mitigate this issue.
— Blizzard CS – The Americas (@BlizzardCS) June 2, 2020
現在NAサーバーがDDOS攻撃を受けているためランチャー、ゲームともにアクセスしにくくなっている模様。アジア鯖は比較的マシみたい。