also: ドスこうげき
noun
denial-of-service attack; DoS attack
Technical term in Internet security; refers to an attack that makes a service unavailable by overwhelming it with traffic.
そのサイトはDoS攻撃を受けてダウンした。
The site went down due to a DoS attack.
DoS攻撃を防
We need to strengthen the server to prevent DoS attacks.