... by “drive-by” web browsing, just to name two.As Microsoft Chairman Bill Gates said in his “Trustworthy Computing” memo of January 20 02 (http://www.microsoft.com/mscorp/execmail / 20 02 / 07 -1 8twc.mspx), ... security on one side and 100 percent usability on the other, where 100 percent security equals 0 percent usability, and 100 percent usability equates to 0 percent security. Over time, Microsoft ... Technology” (NT) platform, including Windows NT 3.x–4.x, Windows 20 00 , Windows XP, Windows Server 20 03 , Vista, and Windows Server 20 08 (code name Longhorn). In contrast, we will refer to the Microsoft...