The story
McColo was formed by a 19-year-old Russian hacker and student named Nikolai. Nikolai's nickname was "Kolya McColo"; hence the name of the provider.
From Wikipedia’s article on McColo, shared under CC BY-SA 4.0.3
Private company
Defunct web hosting provider used for cybercrime
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.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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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.2
McColo was formed by a 19-year-old Russian hacker and student named Nikolai. Nikolai's nickname was "Kolya McColo"; hence the name of the provider.
From Wikipedia’s article on McColo, shared under CC BY-SA 4.0.3
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