Franqueira, Virginia Nunes Leal, van Cleeff, André, van Eck, Pascal and Wieringa, Roel (2012) Securing the Extended Enterprise: A Method for Analyzing External Insider Threat. In: Strategic and Practical Approaches for Information Security Governance: Technologies and Applied Solutions. IGI Global, Hershey, USA, pp. 195-222. ISBN 9781466601970
Franqueira, Virginia Nunes Leal, van Cleeff, André, van Eck, Pascal and Wieringa, Roel (2010) External Insider Threat: a Real Security Challenge in Enterprise Value Webs. In: Fifth International Conference on Availability, Reliability and Security, ARES 2010, 15-18 February 2010, Krakow, Poland.