EndPointScan – Online Scanner for Portable Device Usage
http://www.endpointscan.com/

EndPointScan, is an industry-first, free online service that allows anyone to check what devices are or have been connected to computers on their network and by whom. Using this diagnostic tool, one can identify those areas where the use of portable storage devices could pose a risk to the integrity of the company’s systems and data. This will be added to Security Resources Internet MiniGuide.