Finding unlocked backdoors on the Internet
Before we get into the details of locking backdoors, let's take a look at the situation from other end of the spectrumâ€"how does an outside user find the backdoor to your system?
It's all too easy to think that malicious users are only interested in breaking into computers owned by big corporations. You probably think your little computer on the huge Internet wouldn't even appear as a blip on the enemy's radar. However, that's far from the truth.
There are lots of little programs called scanners that are designed to traverse the Internet and specifically look for resources inadvertently shared over the Internet by NetBIOS and Windows' "File and Printer Sharing" feature. Once a scanner locates such a computer on the Internet, a malicious user can then attempt to access your files and see what they can find.
The scary part of this intrusion is that it occurs in the background and you may never even know it.
