Microsoft works to 'shield' users from worms

Microsoft showed off some forward-looking technologies during a research road show yesterday, which included new ways to protect users from worms and to identify "web spam". Other technologies demonstrated included a tool to add metadata to digital pictures to make them easier to find, technology to improve the use of large displays with Windows, and a system that can create summaries of news stories by scanning several stories on the same subject.

Microsoft Researcher Helen Wang detailed a proposed "shield technology" for protecting computers between the time a software vulnerability is disclosed and the time a patch is made available and applied. Microsoft's top executives have mentioned the technology in speeches, but the company so far had provided little detail.

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