きょひこうげき サービス拒否攻撃 LinksSentence search for サービス拒否攻撃Sentence search for サービスきょひこうげきKanji details for 拒, 否, 攻 and 撃Edit in JMdict Noun1. denial-of-service attack; DoS attackNetworking, WWW, See also ＤｏＳ攻撃 Discussions Log in to talk about this word.