Intrusion detection systems do a good job in protecting physical environments against desperados, burglars, and trespassers. But, creating an access point by leaving a window or a door open, obviously reduces the efficiency of such a system.
Computer intrusion detection systems are no different – leaving a window open in Windows (if you’ll pardon the expression), can result in an illegal intrusion that can often remain undetected.
To help you assess the overall state of security on your computer (and close any open windows in Windows), Microsoft provides a free scanning tool – Microsoft Baseline Security Analyzer 2.2 (MBSA), which will scan your system and provide you with a report on your machine’s security, based on Microsoft security recommendations.
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