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[ARS] Ice-type attacks give enemies access to your Android phone’s data

post #1 of 13
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Quote:
An Android phone’s passcode or pattern lock screen may be no match for a freezer, according to new research from scientists at Erlangen University in Germany released Thursday. After chilling a Galaxy Nexus in a freezer, the researchers were able to bypass security settings and read from the phone’s memory by using a "cold boot" attack.

Cold boot attacks, first demonstrated on PCs in 2008, rely on data remanence, wherein the RAM inside a computer retains some residual information after the computer is shut down for a short amount of time. If the computer is cold-booted (turned on and off quickly enough such that the shutdown isn’t complete), attackers can reboot with an alternate operating system (via a USB drive, for instance) that instructs the computer to dump the remnants of information still stored in the memory.

As it turns out, phones are vulnerable to the same kind of attack, but they require a different approach. Smartphones also retain information in memory after shutdown, but only for a second or two. It’s also more difficult to shortchange the shutdown process in a phone because it power-cycles too slowly by default for a two-second memory access window to be useful. The researchers in Germany found that if they chilled the phone down to freezing temperatures, information will linger in the memory for five or six seconds—long enough to pull data out with a computer.

Source
post #2 of 13
Ice-type attacks.. Couldn't they use better term like, Freezing your Smartphone can Bypass security?
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post #3 of 13
I don't know, sounds like a pokemon battle.
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post #4 of 13
I suppose this might be useful if this were an episode of Nikita or something hehe.
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post #5 of 13
Wouldn't this be try for just about any electronic device that uses RAM?
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post #6 of 13
Well then, good thing my phone is a rock type since it has 2x resistance.
post #7 of 13
My phone is a Psychic/Ground type so I'm totally bummed.
Better make sure I don't walk past people standing around ominously for days on end staring in front of them looking for a trainer to jump out on...
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post #8 of 13
I want to live in a world where parents send their children out on their own at the age of 12 to travel the world and have animals fight each other for their amusement!
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post #9 of 13
My phone is resistant to all types of damage, except for physic or ghost type.. darn you haunter!!!
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post #10 of 13
Quote:
Originally Posted by Schoat333 View Post

Wouldn't this be try for just about any electronic device that uses RAM?

Yes
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Overclock.net › Forums › Industry News › Technology and Science News › [ARS] Ice-type attacks give enemies access to your Android phone’s data