Fergie's Tech Blog

Report: Attacks on ISP Nets Intensifying

Kelly Jackson Higgins writes on Dark Reading:

Increasingly-intense distributed denial-of-service (DDoS) attacks on ISP backbones are surpassing providers' capacity and knocking customers offline, according to a new survey of service providers by Arbor Networks.

While most large ISPs have upgraded their backbones to 10-Gbit/s speeds over the past two years, three respondents said they have experienced sustained attacks from 20- to 22 Gbit/s, and one hosting services provider in the survey reported a 24-Gbit/s DNS-targeted attack. The most powerful sustained attack previously was 17 Gbit/s, which was reported in last year's survey by Arbor.

Thirty-six percent of the ISPs that responded to the survey -- which covers activity from July 2006 through June 2007 -- had suffered from sustained attacks of 1 Gbit/s or more over the past 12 months.

posted by Fergie @ 9/17/2007 04:26:00 PM