CCSW 2016

9:00 – 10:30

Session 1: Cloud data security
Chair: Elli Androulaki, IBM Research - Zurich, Switzerland

Data Analytics: Understanding Human Behavior Based on Mobile Network Data
Luciano Franceschina

Co-Location Resistant Strategy with Full Resources Optimization
Mouhebeddine Berrima, Aïcha Katajina Nasr, Narjes Ben Rajeb
University of Tunis-El Manar, Tunisia



11:00 – 12:30

Session 2: Secure query processing, and web applications
Chair: Ghassan Karame, NEC Labs, Heidelberg, Germany

Executing Boolean Queries on an Encrypted Bitmap Index
Mohamed Ahmed Abdelraheem
SICS Swedish ICT AB, Lund, Sweden
Christian Gehrmann
SICS Swedish ICT AB LTH, Lund University, Sweden
Malin Lindström, Christian Nordahl
Blekinge Institute of Technology, Karlskrona, Sweden

Poly-Logarithmic Range Queries on Encrypted Data with Small Leakage
Florian Hahn, Florian Kerschbaum
SAP, Karlsruhe, Germany

Encrypting Analytical Web Applications
Benny Fuhry, Walter Tighzert, Florian Kerschbaum
SAP Research



14:00 – 15:30

Session 3: Secure multitenancy & cloud attack detection
Chair: Mike Reiter, University of North Carolina at Chapel Hill, USA

Stratum Filtering: Cloud-based Detection of Attack Sources
Michael Waidner, Haya Shulman
Fraunhofer Institute for Secure Information Technology SIT and Center for Research in Security and Privacy, Darmstadt CRISP, Germany
Amir Herzberg
Bar Ilan University, Ramat Gan, Israel

Oblivious RAM as a Substrate for Cloud Storage — The Leakage Challenge Ahead
Marc Sánchez-Artigas
Universitat Rovira i Virgili, Spain

Towards an Efficient Policy Evaluation Process in Multi-Tenancy Cloud Environments
Meryeme Ayache, Mohammed Erradi
ENSIAS, Mohammed V University in Rabat, Morocco
Bernd Freisleben
Philipps-Universität Marburg, Germany
Ahmed Khoumsi
University of Sherbrooke, Canada



16:00 – 18:00

Session 4: Secure storage and storage efficiency
Chairs: Melek Onen, Eurecom, and Rei Safani-Naini,
University of Calgari, Canada

On Information Leakage in Deduplicated Storage Systems
Hubert Ritzdorf, Srdjan Căpkun
ETH Zurich, Switzerland
Ghassan O. Karame
NEC Laboratories Europe, Heidelberg, Germany
Claudio Soriente
Telefónica Research, Barcelona, Spain

Message-Locked Proofs of Retrievability with Secure Deduplication
Dimitrios Vasilopoulos, Melek Önen, Kaoutar Elkhiyaoui, Refik Molva
EURECOM, Sophia Antipolis, France

Generic Efficient Dynamic Proofs of Retrievability
Mohammad Etemad, Alptekin Küpçü
Koç University, Istanbul, Turkey

Assured Deletion in the Cloud: Requirements, Challenges and Future Directions
Kopo M. Ramokapane, Awais Rashid, Jose M. Such
Security Lancaster Research Centre, Lancaster, UK