noun
Distributed Denial of Service attack
Technical computing term for a coordinated cyberattack that overwhelms a server with traffic from many sources.
大規模な分散ＤｏＳ攻撃によって、そのサイトは数時間ダウンした。
The site went down for several hours due to a large-scale Distributed Denial of Service attack.
A Denial of Service attack from a single source, whereas 分散ＤｏＳ攻撃 uses multiple distributed sources.
From English 'Distributed Denial of Service attack', abbreviated as DDoS, with Japanese 分散 (distributed) prefixed.