Her research interests are in the area of data security and privacy, with particular consideration of access control and information protection in the emerging scenario. Within this area, she has published more than 80 contributions as papers in international conferences and journals, and chapters in international books. She has been visiting researcher at the Center for Secure Information Systems (CSIS), George Mason University, VA, USA. She has authored the book Preserving Privacy in Data Outsourcing, Springer, 2011. She has been/is program co-chair for the 10th WISTP International Conference on Information Security Theory and Practice (WISTP 2016), the 15th International Conference on Cryptology and Network Security (CANS 2016), the 1st IEEE Workshop on Security and Privacy in the Cloud (SPC 2015), the 11th International Workshop on Security and Trust Management (STM 2015), the 12th Workshop on Privacy in the Electronic Society (WPES 2013), and the 10th IEEE International Conference on Autonomic and Trusted Computing (ATC 2013), the 17th European Symposium on Research in Computer Security (ESORICS 2012), the 5th International Conference on Network and System Security (NSS 2011), the 24th Annual IFIP WG 11.3 Working Conference on Data and Applications Security and Privacy (DBSec 2010). She is chair of the IFIP WG 11.3 Working Group on Data and Applications Security and Privacy. She has served as program committee member of various international conferences. She is a member of the editorial board of IEEE TDSC. She is IEEE senior member (2016).