Collaborative Repository for Cybersecurity Data and Threat Information

Abstract: In this paper, we attempt to show how to build a collaborative repository for cybersecurity data and threat information by building on top of a privacy-aware storage system: Tamias. We set the following goals: allow data sharing with a very high level of control over the sharing scope, enhance collaboration of entities that may not know each other but deal with similar threats, and manage different levels of trust between each parties. These levels of trust will define how much information is shared with each entity.