When faced with both traditional and non-traditional security challenges,states, acting alone, are poorly-equipped. Ad hoc security governance networkshave increasingly been the response. Such networks involve cooperation betweengovernments, the private sector, non-governmental and international organisationsand enable actors to take advantage of geographical, technological, and knowledgeresources they would be unable to muster alone. However, there are many as yetunanswered questions about the oversight and accountability of new governancenetworks, as well as about ways in which, on the positive side, they can bettercontribute to improved security. This paper looks at both the challenges and somepotential solutions to the democratic governance challenges posed by public privatecooperation in the security domain.