Hacker Attack on Twitter

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A 17-year-old Australian schoolboy said on Wednesday he unwittingly caused a massive hacker attack on Twitter which sent users to Japanese porn sites and took out the White House press secretary's feed.
Pearce Delphin, whose Twitter name is @zzap, admitted exposing a security flaw which was then pounced upon by hackers, affecting thousands of users and causing havoc on the microblogging site for about five hours.
Delphin, who lives with his parents in Melbourne, said he tweeted a piece of "mouseover" JavaScript code which brings up a pop-up window when the user hovers their cursor over the message.
But the idea was soon taken up by hackers who tweaked the code to redirect users to pornographic sites and create "worm" tweets that replicated every time they were read.
"I did it merely to see if it could be done ... that JavaScript really could be executed within a tweet," Delphin told AFP via email.

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