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February 12, 2009 11:12 AM PST

Twitter hit with 'Don't Click' clickjacking attack

by Elinor Mills
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This graph shows how quickly the "Don't Click" tweets spread across Twitter.

(Credit: Sunlight Labs)

Twitter stopped a clickjacking attack on Thursday that quickly spread because it took advantage of social engineering and peoples' natural curiosity.

Tweets began appearing that said "Don't Click" followed by a link. Naturally, people clicked. When they did so, a tweet was sent from their account with the same "Don't Click" message and link.

"We patched the "don't click" clickjacking attack 10 minutes ago. Problem should be gone," John Adams, aka Netik, an operations engineer at Twitter, tweeted around 11 a.m. PST.

The clickjacking appeared to be harmless and just propagated itself, according to a post on the Sunlight Labs blog.

The code "creates an iframe of the page, hides it, and when you click that button and you're logged into Twitter, it makes you post that message (even though you don't see it). There's not a bit of JavaScript involved. The only JavaScript on the page is their Google Analytics code," the Sunlight Labs post says.

Elinor Mills covers Internet security and privacy. She joined CNET News in 2005 after working as a foreign correspondent for Reuters in Portugal and writing for The Industry Standard, the IDG News Service, and the Associated Press. E-mail Elinor.
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by mexic0 February 12, 2009 12:07 PM PST
So does this work only if you are logged onto your twitter webpage?
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by ppratik96 February 12, 2009 12:49 PM PST
Well yeah but you probably have to logged in to see the the tweet anyway so when you click on the link you will be logged on.
by Ignoranceisslavery February 13, 2009 9:06 PM PST
IM SO HAPPY. Twitter IS Lame and I hope it crashes and burns. Seeing the article on my Feed Actually made me smile. THANK YOU PRANKSTER.
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