McColo
... that internet service provider McColo, taken down in November 2008, hosted the world's biggest botnet and was responsible for at least half of all email spam?
... that <a href="./Internet_service_provider" id="mw7Q" rel="mw:WikiLink" title="Internet service provider">internet service provider</a> <b id="mw7g"><a href="./McColo" id="mw7w" rel="mw:WikiLink" title="McColo">McColo</a></b>, taken down in November 2008, hosted the world's biggest <a href="./Botnet" id="mw8A" rel="mw:WikiLink" title="Botnet">botnet</a> and was responsible for at least half of all <a href="./Email_spam" id="mw8Q" rel="mw:WikiLink" title="Email spam">email spam</a>?