The Citizen Lab's research on commercial surveillance technologies has resulted in legal and policy impacts. In December 2013, the Wassenaar Arrangement was amended to include two new categories of surveillance systems on its Dual Use control list—"intrusion software" and "IP Network surveillance systems". The Wassenaar Arrangement seeks to limit the export of conventional arms and dual-use technologies by calling on signatories to exchange information and provide notification on export activities of goods and munitions included in its control lists. The amendments in December 2013 were the product of intense lobbying by civil society organizations and politicians in Europe, whose efforts were informed by Citizen Lab's research on intrusion software like FinFisher and surveillance systems developed and marketed by Blue Coat Systems.