Twitter attacked by a worm

Twitter the famous micro blogging site was attacked this weekend by a worm similar to the samy worm which took down the website Myspace. The worm in twitter was found spreading this weekend when 4 malicious accounts were created simultaneously at about 2 AM on Saturday. 90 Accounts were compromised due to the worm attack within few hours, later the attack was controlled. Later in the afternoon, the attack again started, about 100 more accounts were compromised due to the attack. The twitter security team found the infected files and removed them along with 10,000 Tweets.

Source :- Twitter Blog