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Millions May Be Affected by Web Disruption in Online Attack

Millions of people may have been affected by an attack that caused disruption and a slowdown of the Internet, according to a not-for-profit anti-spam organization that blacklisted a Dutch Web-hosting company.

The interruptions came after Spamhaus, a spam-fighting group based in Geneva, temporarily added CyberBunker to a blacklist that is used by e-mail providers to weed out spam. The attacks work by trying to make a network unavailable to its intended users by overloading a server with coordinated requests to access it, according to security firm Kaspersky Lab.