Someone has actually done this: http://spritesmods.com/?art=hddhack
The article describes (in great detail) how the author modified the firmware of a harddrive to monitor for certain data, which essentially works as a key. Once it receives that key, it starts to do nasty stuff.
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Someone has actually done this: http://spritesmods.com/?art=hddhack The article describes (in great detail) how the author modified the firmware of a harddrive to monitor for certain data, which essentially works as a key. Once it receives that key, it starts to do nasty stuff.