Flash drives are used to carry applications that run on the host computer without requiring installation. Both corporate and public computers are vulnerable to attackers connecting a flash drive to a free USB port and using malicious software such as keyboard loggers or packet sniffers.

To address this, as well as space limitations, some developers have produced special versions of operating systems such as Linux in Live USB [73] or commonplace applications such as Mozilla Firefox designed to run from flash drives. Leaving such a flash drive out to dry completely before allowing current to run through it has been known to result in a working drive with no future problems.

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