Writing an exploit program that can break those virtual boundaries isn't easy, says SANS Web security researcher Johannes Ullrich, and sandboxing would add a significant layer to the Web's armor.

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These include such foundational patents of the web as Secure Socket Layer (SSL), cookies and JavaScript.

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Core to that tale of two hackers is a layer of the Web that acts as a digital directory assistance, the Domain Name System.

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This was the third time that a window cracked on an ANA Dreamliner, but the cockpit window has five layers, and Friday's crack, in a spider web pattern, appeared in the outer layer, ANA said.

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To that end it's created the TV Application Layer (TAL), which uses the latest web technologies, like HTML5, to do as much of the heavy lifting as possible for would-be hardware makers.

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"It would be a dynamic layer of victims that sits between the hacker and the Web and provides anonymity, " Flick says.

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Some Web-based e-mail services like Google's Gmail offer tools to add an extra layer of protection.

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