The botnet attacker was ruled botnets that was raised secretly to overwhelm access to these sites simultaneously. As a result, not less than 300 million users Twitter, Facebook, and LiveJournal can not access due to traffic that is too high even make the server down.

Twitter experienced down of service about three hours since the attack that occurred. During the three hours, about 35 million Twitter users can not send any messages. Facebook interference reported the same experience about 250 million users. While LiveJournal report 21 million users affected by this attack.

“This is really a very deadly attack,” said Stephen Tanase, senior analyst of Kaspersky as quoted from UsaToday. None of the big attacks happen again since February 2000. At that time, a boy aged 15 years who named himself Mafiaboy ordered his botnets to attack Yahoo, eBay, Amazon, Etrade, ZDnet, and CNN.

With crippling Twitter and other social networking site, Attackers want to show how strong and terrible of botnet network in the world. Security analyst from the company’s antivirus AV, Roger Thompson estimates 40 percent of computers connected to the Internet are currently infected with botnet. However, users often do not realize the dangerous program that hide themselves and behave reasonably so difficult antivirus detected.