Computer Crime Research Center


New hacker methods

Date: April 03, 2006

Domain registrars are locked in a "cold war" against hackers, as they race to create defences against an ever-growing arsenal of attacks, internet gurus said at the Icann conference in Wellington this week.

Dangerous new methods such as "distributed reflection denial of service" attacks are straining and in some cases crippling existing defences, said experts at the conference for the Internet Corporation for Assigned Names and Numbers, which manages top-level domains such as .com and .org.

There's been a spate of attacks in the past few months against Domain Name System servers, which convert web addresses into the Internet Protocol numbers needed to pull up the requested website.

The new attacks specifically target DNS servers, and are designed to bring down large numbers of websites.

Normal distributed denial of service attacks overwhelm a target's Internet connection by sending millions of requests to it from hijacked "zombie" PCs under a hacker's control.
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