A new kind of DDoS attack?

Summary:News.com's Joris Evers reports that a new twist on distributed denial-of-service attacks -- cybercriminals are using DNS servers -- could intensify threats to online business.

News.com's Joris Evers reports that a new twist on distributed denial-of-service attacks -- cybercriminals are using DNS servers -- could intensify threats to online business.

Using DNS servers to do their dirty work offers key benefits to attackers. It hides their systems, making it harder for the victim to find the original source of the attack. But, more importantly, reflecting an attack through a DNS server also allows the assault to be amplified, delivering a larger amount of malicious traffic to the target.

Earlier this year, VeriSign experienced attacks on its systems that were larger than anything it had ever seen before.

And, earlier this week, Sun announced that Sun Grid, the company's publicly available computing service, was hit by a DDoS network attack on its inaugural day. "Or was it?" wonders Phil Wainewright.

Topics: Security

About

David Grober has worked a variety of editorial roles in the technology media since 1982, when he joined the copy desk at IDG's Computer Business News. He served as managing editor for PC Week (now eWeek) and, later, Digital News. David made the leap from print to online publishing in 1994, when he joined Ziff-Net's Software Library. Sinc... Full Bio

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