DDoS
noun [ C ] uk/ˈdiː.dɒs/ us/ˈdiː.dɑːs/ DDoS (also DDoS attack)
分布式拒绝服务攻击（distributed denial of service 的缩写，指大量用户同时发送数据，故意阻止计算机网络或网站正常工作的情况）
abbreviation for distributed denial of service: an occasion when a computer network or website is intentionally prevented from working correctly, by a very large number of users sending data at the same time
A DDoS is a cyber-attack where the perpetrator uses several, often thousands of, unique IP addresses. 分布式拒绝服务是一种网络攻击，攻击时使用多个（通常是数千个）独有的 IP 地址。
Several Internet giants were crippled by DDoS attacks in February last year. 去年二月，一些互联网巨头遭受了分布式拒绝服务攻击。
- More examples
- Distributed denial of service attacks (DDoS) have disrupted big US internet operations.
- If you are attacked with a DDoS, log every connection attempt that you possibly can.
- Hackers took down the company's servers just a few days after the games became available, by using a DDoS attack.