a group of computers that are controlled by malware (= software such as a virus that the users do not know about or want) 僵尸网络(指受恶意软件控制的计算机群) The internet has been flooded with botnets, unnoticed by the public. 互联网上充斥着僵尸网络,没有被公众注意到。 Botnet attacks can be used to damage a competitor’s website. 僵尸网络攻击可以用来破坏竞争对手的网站。