I'm an IT administrator with a little over 500 end users, running Windows 2000 and XP. One of our users is experiencing a problem with her Internet connection suddenly dropping for no apparent reason. When she restarts her computer, everything works fine for awhile, but then the connection drops again. The funny thing is, she's noticed that her AOL Instant Messenger service still works even when she can't access her e-mail. We've already run Netstat and noticed that more unknown open connections are being used to certain ports. This particular user has a laptop and works from home frequently, so we're not sure all updates have been installed.
Has her computer been hacked? If so, what can I do initially to contain the damage, and what steps can I take to prevent such occurrences in the future?
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