"Microsoft's security chief Wednesday pitched a plan that would block some botnet-infected computers from connecting to the Internet. A noted botnet researcher said the proposal didn't attack the problem at its root, and like many technical solutions, was unlikely to do much good. In a paper published Wednesday, Scott Charney, who heads Microsoft's trustworthy computing group, spelled out a concept of "collective defense" that he said was modeled after public health measures like vaccinations and quarantines." | more