Second Life virtual world gets attacked by worm

Virtual world Second Life had to close down for a short time on Sunday after it was attacked by a worm called Grey Goo.

The self replicating worm planted spinning gold rings around the virtual world, which is inhabited by over a million users. As users interacted with the rings they replicated, it resulted in a slowdown on the servers.

Users complain that the virtual world becomes unusable once 15,000 people are logged on simultaneously (a fraction of the overall residents).

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