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For the second time in less than a week, Twitter has been hit by a distributed denial of service attack. Unlike the first attack last week, the latest cyberassault, which started on Tuesday, has been confined to Twitter so far -- Facebook has apparently not been affected. That has led Roger Thompson, chief of research at security vendor AVG Technologies, to speculate the second attack could be linked to the attacks on U.S. and South Korean government Web sites last month. The attacker could be a vigilante who wants to draw attention to the security problems plaguing the Internet, he said.
You may be absolutely right, when you suggest someone 'in control, currently' of a major botnet is trying to simply make everyone look and pay attention...
For years botnets main purpose is to send SPAM for crime and phishing for account log ins...
But, it is harder and harder to get SPAM and PHISHING to be profitable, after a lot of technologies and user education has been made to stop SPAM and Phishing.
Rendering the botnets, 'traditional role' more and more obsolete.
Attacking twitter, a MASSIVELY social and high profile ( and sadly 'easy soft target, as twitter already has infrustruture problems ) is the PERFECT target to down, with a botnet.
The botnet master may simply be trying to 'send a message that botnet is here', get rid of me please!
In either case... whether intentional or not... attacking Twitter will certainly give spotlight to the attackers... especially facebook that have lawyers and money ... twitter, mostly makes news of the downtimes, which makes light of the botnets.