Windows 7 includes AppLocker, a whitelisting utility, or you can buy third-party white-listing products for either individual computers or groups of networked computers. For home users, Windows 7 has fairly robust parental controls that can restrict access by time-of-day or by site, and log Web access, Bott says.
Conclusion: It's easy to become more secure
As you can see, there is a lot you can do affordably, even to existing Windows systems, to increase their security. It shouldn't take a lot of time or money to do; however, it may take a lot of both if you don't do anything and something avoidable goes wrong.
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