McColo was a US-based web hosting service provider that was, for a long time, the source of the majority of spam-sending activities for the entire world. In late 2008, the company was shut down by two upstream providers, Global Crossing and Hurricane Electric, because a significant amount of malware and botnets had been trafficking from the McColo servers.
McColo was a US-based web hosting service provider that was, for a long time, the source of the majority of spam-sending activities for the entire world. In late 2008, the company was shut down by two upstream providers, Global Crossing and Hurricane Electric, because a significant amount of malware and botnets had been trafficking from the McColo servers.
Source: Wikipedia "McColo" · CC BY-SA 4.0
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