The OpenNet Initiative (ONI) was a joint project whose goal was to monitor and report on internet filtering and surveillance practices by nations. The project employed a number of technical means, as well as an international network of investigators, to determine the extent and nature of government-run internet filtering programs. Participating academic institutions included the Citizen Lab at the Munk Centre for International Studies, University of Toronto; Berkman Center for Internet & Society at Harvard Law School; the Oxford Internet Institute (OII) at University of Oxford; and, The SecDev Group, which took over from the Advanced Network Research Group at the Cambridge Security Programme, University of Cambridge.