A cyberattack that floods a target server or network with excessive requests or malicious packets, making it unable to provide services to legitimate users. The goal is to disrupt availability, which distinguishes it from attacks aimed at stealing or altering data. When launched simultaneously from many compromised hosts, it is called a DDoS attack.

Past questions testing this term · 3 questions

• 2014h26h #53DoS 攻撃によってサーバが受ける直接的な被害はどれか。
• 2013h25h #52DoS（Denial of Service）攻撃の説明として，適切なものはどれか。
• 2009h21h #68サーバに対する DoS 攻撃のねらいはどれか。