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News

Massive bandwidth increase seen in Denial of Service attacks

Prolexic Technologies : 24 November, 2008  (Technical Article)
Prolexis continues to protect service providers as distributed denial of service attacks continue to reach unprecedented sizes
Prolexic Technologies has recorded and mitigated DDoS attacks as large as 80 Gbps. Such attacks represent a more than 400 per cent increase in size from last year when Prolexic network engineers observed DDoS attacks at 17 Gpbs.

Paul Sop, Chief Technology Officer, Prolexic said: "There is no way to stop these DDoS attacks from getting even bigger. This situation is particularly worrisome to ISPs who generally do not have sufficient backbone infrastructure to sustain even a 20 Gpbs attack, let alone something four times that big."

Unlike traditional DDoS attacks that come from compromised PCs controlled by remote attackers, these new, massive attacks originate primarily from servers on high bandwidth Internet connections. In one instance, Prolexic shut down a single IP address and saw attack traffic levels drop by 100 Mbps.

"In response to increasingly large attacks, ISPs are augmenting their DDoS protection with Prolexic's managed services to ensure their networks are protected and their customers remain online," Paul Sop concluded. "Prolexic causes no interference to its clients' network architecture and, as we work with all existing carriers, organisations with multiple points of presence can be completely protected."
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