One of my colleagues got virus on his computer the other day. Trying to salvage some of his personal files, he plugged in an USB drive and copied his personal files over. Then he reformatted the computer, installed new OS, copied files back from USB drive. He thought he was all set. But to his surprise, the virus came back!
What happened? The culprit is the USB drive. The virus was actually smart enough to copy itself onto the USB drive. And now the USB drive became the new source of this virus.
This could happen to every one of us. We tend to plug our USB into other people's computers all the time without thinking about the risk. Many of us don't think about the possibility that a virus on a computer could spread to the USB memory stick and in turn, infect the next computer it comes into contact with.
There is no perfect solution to this problem. But you can reduce the risk by using USB drive with a write-protect switch. Flipping in on to write-protect mode before you put your USB into a strange computer. This protects the drive from being overwritten by a virus. And might save the day for you.
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