(There are limits, of course; for instance, you can??™t modify a Word document
if someone else currently has it open. But database programs like
Microsoft Access let multiple users read and write to the same file simultaneously
under certain circumstances.)
Naturally the PC hosting the shared folder must be powered on for others to
be able to access the folder, but the person who shared the files doesn??™t necessarily
have to be logged in.
But here??™s the rub: the defaults in Windows Vista could allow anyone on
your network to read your files, yet permit nobody to modify them. It??™s just a
matter of knowing where the vulnerabilities are and which buttons to click.
Share Files and Printers | 499
Users and
Security
Whenever you share a folder, you are essentially opening a
backdoor to your computer, potentially allowing access to
sensitive data. It??™s important to keep security in mind at all
times, especially if you??™re connected to the Internet. Otherwise,
you may be unwittingly exposing your personal data
to intruders looking for anything they can use and abuse.
Furthermore, a nonsecure system is more vulnerable to
viruses, Trojan horses, and other malicious programs. This
doesn??™t mean that you shouldn??™t use file sharing, just that
you??™ll want to use some common sense if you do.
Share a Folder
Sharing resources is easy, but you??™ll need to take care of a few things first.
Before you share any resources on your PC, your account must have a password.
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