botnet

plural botnets

1. Internetcomputer securityA collection of compromised computers that is gradually built up and then unleashed as a DDOS attack or used to send very large quantities of spam.

   Then they blacklisted addresses used by spammers. In response, senders started using botnets (networks of otherwise innocent computers).

   2010 November 20, “Long life spam”, in The Economist

2. 4chan slangspyware

   Google Chrome is botnet, use Firefox instead