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ZAGG's invisibleSHIELD™ is a thin, polyurethane film originally created for the military to protect the leading edge of helicopter blades. What's unique about this military-grade film is how tough it is - it doesn't scratch. Introduced in early 2005, the invisibleSHIELD is the first product of its kind. Its patent-pending, full body protection has revolutionized the industry and has changed the way people think of protecting their devices. Others have tried to imitate it and have fallen short.
Apart from keeping your devices scratch-free, the invisibleSHIELD provides some unexpected benefits. Unlike cases, its uncompromising design doesn't take away from the look and feel of your device. It adds no bulk, allowing you to freely hold, carry, and dock your device without interruption. Also its "grippy" feel allows you to be far less likely to drop your once slippery device.
If you haven't gotten a chance yet, do watch the video of this attack. It's does a good job explaining the problem. Full drive encryption stores the key in RAM while the computer is powered on. The RAM's stored data doesn't immediately disappear when powered off, but fades over time. To recover the keys, they powered off the computer and booted from a USB disk that created an image of the RAM.