Monday, July 13, 2009

UK, Not North Korea, Source of DDoS Attacks, Researcher Says

Martyn Williams writes on PC World:

The U.K. was the likely source of a series of attacks last week that took down popular Web sites in the U.S. and South Korea, according to an analysis performed by a Vietnamese computer security analyst.

The results contradict assertions made by some in the U.S. and South Korean governments that North Korea was behind the attack. Security analysts had been skeptical of the claims, which were reportedly made in off-the-record briefings and for which proof was never delivered.

The week-long distributed denial of service attack involved sending multiple requests to a handful of Web sites from tens of thousands of computers so the sites became overloaded. Among the sites taken offline at some time during the week were those of the U.S. Departments of Transportation and Treasury, the U.S. Federal Trade Commission, the South Korea's president's home page, the South Korean national assembly and U.S. Forces Korea.

The computers used to send the flood of requests had been infected with a virus that allowed attackers to use them anonymously.

More here.


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