The good Easy on the system resources Easy to figure out how to use Comes pre-configured The bad Only works on legally licensed Microsoft computers Can't opt out of contributing to SpyNet Click here for our Microsoft Security Essentials photo gallery (Credit: Chris Duckett/ZDNet.com.au) Microsoft has released version 1.0 of Security Essentials , the successor to Live OneCare. Originally known as Morro, Security Essentials retains the core features of OneCare, but abandons the additional heft of a firewall, performance tuning, and backup and restore options in exchange for making the program free. Rather than taking aim at full-featured security suites made by Symantec or Trend Micro , the features available in Security Essentials indicate that Microsoft is aiming to compete with basic-but-free security apps.

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Microsoft Security Essentials