Tabnabbing is a computer exploit and phishing attack, which persuades users to submit their login details and passwords to popular websites by impersonating those sites and convincing the user that the site is genuine. The attack's name was coined in early 2010 by Aza Raskin, a security researcher and design expert. The attack takes advantage of user trust and inattention to detail in regard to tabs, and the ability of modern web pages to rewrite tabs and their contents a long time after the page is loaded. Tabnabbing operates in reverse of most phishing attacks in that it doesn’t ask users to click on an obfuscated link but instead loads a fake page in one of the open tabs in your browser.
"It can detect that you're logged into Citibank right now and Citibank has been training you to log into your account every 15 minutes because it logs you out for better security. It's like being hit by the wrong end of the sword.", said Aza Raskin.
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- Magid, Larry (2010-06-11). "Tabnabbing: Like phishing within browser". News.cnet.com. Retrieved 2012-02-19.