A presentation at Black Hat Europe 2007 by security researchers from India has blown the security of the Windows Vista bootloader wide open, and compromised the security model of Microsoft's latest operating system at the lowest levels. Vipin and Nitin Kumar of NV Labs figured out how to write what the popular press is calling a 'bootkit' that runs off of a bootable CD or DVD. The bootkit searches the primary drive for a copy of Windows Vista and executes it while making modifications to the code running in memory transparently - because the OS trusts the 'trusted' bootloader implicitly, it …